O shell /5/Physics/Matter/Atom/Orbital/shell of electrons
o, Spanish /6/Linguistics/Languages/Spanish/o in Spanish
o/a /6/Linguistics/Languages/English/Abbreviation/o-a
o/d /6/Linguistics/Languages/English/Abbreviation/o-d
o/s /6/Linguistics/Languages/English/Abbreviation/o-s
Oahu /6/Geography/Land/Island/Polynesia/Oahu
oak /4/Botany/Plant/Kinds/Tree/oak
oak branch symbol /6/Linguistics/Writing/Symbol/Plant/oak branch sign
Oakland /6/Geography/Political/City/Americas/North America/USA/West/Oakland
oak-leaf cluster /7/Military Affairs/Clothing/oak-leaf cluster
oakum /7/Machine/Industrial Materials/Organic Chemical/Fiber/oakum
oarlock /7/Machine/Transportation/Vehicle/Boat/Parts/oarlock
OAS /6/Linguistics/Languages/English/Abbreviation/OAS
oasis /5/Earth Science/Land/Land Forms/Vegetation/oasis vegetation
oatmeal /7/Food/Vegetable/Seed/Grain/Oat/oatmeal
oats, cultivation /6/History/History/Invention/Europe/oats cultivation
oats, food /7/Food/Vegetable/Seed/Grain/Oat/oats food
ob /6/Linguistics/Languages/German/ob
Ob River /6/Geography/Water/River/Asia/Ob River
ob. /6/Linguistics/Languages/English/Abbreviation/ob.
obbligato /2/Music/Notation/Music Directives/obbligato
obdurate /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/obdurate
obedience /6/Psychology/Behavior/Kinds/obedience
obeisance /6/Linguistics/Languages/English/Noun/Personal Trait/obeisance
obelisk /2/Art/Architecture/Buildings/Public Area/obelisk
Oberon /6/Linguistics/Languages/English/Noun/Proper Noun/Oberon
obese /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/obese
obesity /4/Medicine/Disease/Kinds/Nutrition/obesity
obestatin /4/Zoology/Organ/Endocrine Gland/Hormone/Appetite/obestatin
obfuscate /6/Linguistics/Languages/English/Verb/Communication/obfuscate
obi /7/Personal Affairs/Clothing/Belt/obi
obiter dictum /6/Linguistics/Languages/Latin/obiter dictum
obituary /2/Literature/Prose/Expressions/Serious/obituary
object capacity /6/Philosophy/Metaphysics/Object/Properties/capacity of objects
object file model /1/Consciousness/Sense/Vision/Physiology/Number Perception/object file model
object language /3/Mathematics/Axiomatic Theory/axiomatic theory
object love /6/Psychology/Personality/Development/Psychoanalysis/narcissism
object names, software /3/Computer Science/Software/Programming/Techniques/object names in software
object program /3/Computer Science/Software/Operating System/Parts/generator program
object relation /6/Psychology/History/Psychiatry/Fairbairn R
object relations theory /6/Psychology/Personality/Development/object relations theory
object theory /6/Philosophy/History/Epistemology/Meinong A
object unity /1/Consciousness/Sense/Experience/Properties/object unity
object, law /6/Law/Principles/object in law
object, metaphysics /6/Philosophy/Metaphysics/Object/object in metaphysics
object, preposition /6/Linguistics/Grammar/Syntax/Sentence/Preposition/preposition
object-centered /6/Psychology/Cognition/Perception/Representation/representation in perception
objection /3/Game Theory/Coalition/Aumann-Masschler theory
objectionable /6/Linguistics/Languages/English/Adjective/State/Bad/objectionable
objective /6/Linguistics/Languages/English/Adjective/State/objective impersonal
objective art /2/Art/Painting/Categories/objective art
objective case /6/Linguistics/Grammar/Syntax/Noun/Case/case of noun
objective concept /6/Philosophy/History/Mind/Schopenhauer A
objective knowledge /6/Philosophy/Epistemology/Knowledge/Kinds/objective knowledge
objective lens /7/Machine/Kinds/Optical/Lens/objective lens
objective reduction /5/Physics/Quantum Mechanics/Wavefunction/Collapse/objective reduction
objective self /6/Philosophy/History/Mind/James W
objective strata /6/Sociology/Society/Social Class/strata
objective test /6/Psychology/Techniques/objective test
objective theory of contracts /6/Law/Contract/objective theory in law
objective third person /2/Literature/Prose/Theory/Viewpoint/objective third person
objective threshold, experience /1/Consciousness/Sense/Experience/Processing/subjective threshold
objective, educational /6/Education/Objectives/educational objective
objective, job /6/Education/Job/objective for job
objectivism /6/Philosophy/Mind/Theories/Monism/Materialism/objectivism
objectivism, Husserl /6/Philosophy/History/Mind/Husserl E
object-oriented font /3/Computer Science/Software/Graphics/computer graphics
object-oriented graphics /3/Computer Science/Software/Graphics/computer graphics
object-oriented programming /3/Computer Science/Software/Programming/Kinds/structured programming
object-relations school /6/Psychology/History/Psychiatry/Klein M
objectual /6/Philosophy/History/Epistemology/Quine W
Objektives /6/Philosophy/History/Epistemology/Meinong A
objet d'art /6/Linguistics/Languages/French/Noun/House/objet d'art
oblate /6/Linguistics/Languages/English/Adjective/Space/oblate ovoid
oblate ellipsoid /3/Geometry/Solid/Ellipsoid/ellipsoid
obligate anaerobe /4/Ecology/Community/Food Chain/Organism Types/Aerobe/obligate anaerobe
obligationes /3/Logic/Reasoning/Argument/obligationes
obligatory /6/Linguistics/Languages/English/Adjective/State/obligatory
oblique case /6/Linguistics/Grammar/Syntax/Noun/Case/case of noun
oblique intention /6/Law/Tort/Liability/oblique intention
oblique line /3/Geometry/Plane/Line/Kinds/oblique line
oblique organum /2/Music/Classical/Styles/oblique organum
oblique projection, object /3/Geometry/Projections/Object Onto Planes/oblique projection of object
oblique projection, parallel /3/Geometry/Projections/Rays/parallel projection
oblique projection, zenithal /3/Geometry/Projections/Sphere To Plane/Zenithal/Tangent/oblique projection zenithal
oblique, not direct /6/Linguistics/Languages/English/Adjective/Space/oblique
oblong /6/Linguistics/Languages/English/Adjective/Space/oblong
obsequious /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/obsequious
observable /5/Physics/Quantum Mechanics/Wavefunction/Collapse/Measurement/Operators/observable in measurement
observation /1/Consciousness/Sense/Experience/Processing/observation
observation predicate /6/Linguistics/Language/Kinds/logical language
observational learning /6/Psychology/Cognition/Learning/Kinds/observational learning
observationally adequate grammar /6/Linguistics/History/Grammar/Chomsky N
observatory /2/Art/Architecture/Buildings/Workplace/observatory
observed frequency /3/Statistics/Tests/contingency table
obsession /4/Medicine/Disease/Kinds/Organ/Nerve/Mental/Neurosis/Obsession/obsession
obsessive-compulsive neurosis /4/Medicine/Disease/Kinds/Organ/Nerve/Mental/Neurosis/Obsession/obsessive-compulsive
obsessive-compulsive reaction /4/Medicine/Disease/Kinds/Organ/Nerve/Mental/Neurosis/Obsession/obsessive-compulsive
obsidian /5/Earth Science/Mineral/Kinds/Rock/Igneous/obsidian rock
obstetrics /4/Biology/Subjects/Medicine/obstetrics
obstreperous /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/obstreperous
obtaining the floor /6/Political Science/Government/Branch/Legislative/Procedure/Parliamentary/obtaining the floor
obtrude /6/Linguistics/Languages/English/Verb/Intransitive/obtrude
obtrusive /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/obtrusive
obtuse /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/obtuse stupid
obtuse angle /3/Geometry/Plane/Angle/Kinds/obtuse angle
obtuse triangle /3/Geometry/Plane/Polygon/Kinds/Triangle/Kinds/obtuse triangle
obverse /3/Logic/Statements/Permutations/obverse
obviate /6/Linguistics/Languages/English/Verb/obviate
obviative /6/Linguistics/Grammar/Syntax/Noun/Pronoun/obviative
OC /6/Linguistics/Languages/English/Abbreviation/OC
Occam's razor /6/Philosophy/Epistemology/Thinking/Principles/Ockham razor
occasional verse /2/Literature/Poetry/Kinds/occasional verse
Occasionalism /6/Philosophy/History/Mind/Occasionalism
Occident /6/Linguistics/Languages/English/Noun/Proper Noun/Occident
Occidental /6/History/Ethnic Groups/Europe/Occidental group
occidental /6/Linguistics/Languages/English/Adjective/State/occidental
occipital lobe /4/Zoology/Organ/Nerve/Brain/Cerebrum/Occipital Lobe/occipital lobe
occipito-parietal lobe /4/Zoology/Organ/Nerve/Brain/Cerebrum/Occipital Lobe/occipito-parietal lobe
occlude /6/Linguistics/Languages/English/Verb/Movement/occlude
occlusion, artery /4/Medicine/Disease/Kinds/Organ/Circulation/Blockage/occlusion in artery
occlusion, cue /1/Consciousness/Sense/Vision/Physiology/Depth Perception/Cue/occlusion and depth
occultation /5/Astronomy/Solar System/Orbit/occultation
occurrence, phenomena /1/Consciousness/Mental Theories/Process/actuality
occurrent /6/Philosophy/Epistemology/Mental State/Thought/occurrent
ocean /5/Earth Science/Water/Ocean/ocean
ocean annelid /4/Zoology/Kinds/Annelid/Classes/polychaetes
ocean floor zones /5/Earth Science/Water/Ocean/Floor Zones/ocean floor zones
Oceania /6/Geography/Land/Island/Polynesia/Oceania islands
oceanic boundary loss /1/Consciousness/States/Mystical Experience/oceanic boundary loss
oceanic zone /4/Ecology/Ecosystem/Bione/Water/Ocean Zones/oceanic zone
ocellus /4/Zoology/Kinds/Arthropod/Insect/Chilopoda/ocellus
ocelot /4/Zoology/Kinds/Carnivore/Cat/ocelot
ocho /6/Linguistics/Languages/Spanish/Noun/Number/ocho
ochre /6/Linguistics/Languages/English/Noun/Color/ochre
Ockham razor /6/Philosophy/Epistemology/Thinking/Principles/Ockham razor
Ockham's razor /6/Philosophy/Epistemology/Thinking/Principles/Ockham razor
Ockham's razor, Occam /6/Philosophy/History/Epistemology/William of Occam
OCS /6/Linguistics/Languages/English/Abbreviation/OCS
oct- /6/Linguistics/Languages/English/Affix/Prefix/octa-
Oct4 gene /4/Genetics/Gene/Transcription Factor/Pluripotency/Oct4 gene
octa- /6/Linguistics/Languages/English/Affix/Prefix/octa-
octagon /3/Geometry/Plane/Polygon/Kinds/Number/octagon
Octagram /6/Religion/Religions/Christianity/Symbols/Gnostic/Octagram
octahedral /5/Chemistry/Inorganic/Chemical Bond/ligand of bond
octahedral crystal /5/Chemistry/Inorganic/Phase/Phases/Solid/Crystal/crystal
octahedron /3/Geometry/Solid/Polyhedron/Kinds/Number Of Faces/octahedron
octahedron crystal /5/Chemistry/Inorganic/Phase/Phases/Solid/Crystal/crystal
octane /5/Chemistry/Organic/Chemical/Alkane/alkane
octane number /5/Physics/Measurement/Kinds/Mass/gasoline measurements
octanol-buffer partition coefficient theory /5/Chemistry/Biochemistry/Drug/Mechanics/Lipophilicity/octanol-buffer partition
octave, interval /2/Music/Theory/Tone/Interval/interval in music
octave, music /2/Music/Theory/Tone/Interval/octave in music
octave, wave /5/Physics/Wave/Superposition/Resonance/octave of wave
octavo /7/Machine/Kinds/Printing/Methods/octavo
octenary /3/Geometry/Plane/Polygon/Number of Sides/octenary
octet rule /5/Chemistry/Inorganic/Chemical Bond/octet rule
octo- /6/Linguistics/Languages/English/Affix/Prefix/octa-
October Revolution /6/History/History/War/Bolshevik Revolution
octogenarian /6/Linguistics/Languages/English/Noun/People/octogenarian
octonion /3/Number Theory/Number Types/Complex Number/Hypercomplex/octonion
octopamine /4/Zoology/Organ/Nerve/Neural Chemical/Regulator/octopamine
octopus /7/Food/Animal/Meat/Fish/Mollusk/octopus food
octoroon /6/Linguistics/Languages/English/Noun/People/octoroon
octree /3/Computer Science/Systems/Computer Vision/Algorithms/Depth/binary space partitioning
ocul- /6/Linguistics/Languages/English/Affix/Prefix/ocul-
ocular /7/Machine/Kinds/Optical/Lens/ocular lens
ocular dominance column /4/Zoology/Organ/Nerve/Brain/Cerebrum/Cerebral Column/ocular dominance column
oculo- /6/Linguistics/Languages/English/Affix/Prefix/ocul-
oculomotor nerve /4/Zoology/Organ/Nerve/Kinds/Cranial Nerve/oculomotor nerve
oculus dexter /4/Medicine/Medical Examination/Eye Exam/Oculus/oculus dexter
oculus sinister /4/Medicine/Medical Examination/Eye Exam/Oculus/oculus sinister
ocupado /6/Linguistics/Languages/Spanish/Adjective/ocupado
OD /6/Linguistics/Languages/English/Abbreviation/OD
oda /2/Music/Classical/Composition Types/frottole
ODC enzyme /1/Consciousness/Sense/Touch/Anatomy/Receptors/ODC enzyme
Odd Fellow /6/Linguistics/Languages/English/Noun/Proper Noun/Odd Fellow
odd function /3/Algebra/Function/Kinds/Symmetry/odd function
odd number /3/Number Theory/Number Types/odd number
odds ratio /4/Medicine/Medical Treatments/Medical Testing/odds ratio
ode /2/Literature/Poetry/Kinds/ode
-ode /6/Linguistics/Languages/English/Affix/Suffix/-ode
Oder River /6/Geography/Water/River/Europe/Oder River
Odessa /6/Geography/Political/City/Europe/Odessa
Odin /6/Religion/Religions/Mythology/Norse/God/Odin
odious /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/odious
odium /6/Linguistics/Languages/Latin/odium
odometer /7/Machine/Kinds/Instrument/odometer
odont- /6/Linguistics/Languages/English/Affix/Prefix/odont-
-odontia /6/Linguistics/Languages/English/Affix/Suffix/-odontia
odonto- /6/Linguistics/Languages/English/Affix/Prefix/odont-
odor hedonics /1/Consciousness/Sense/Smell/Odor/odor hedonics
odor properties /1/Consciousness/Speculations/Sensation/Psychology/Sense/smell properties
odor, smell /1/Consciousness/Sense/Smell/Odor/odor
odorant /1/Consciousness/Sense/Smell/Odor/odorant
Odysseus /6/Religion/Religions/Mythology/Greco-Roman/Hero/Odysseus
odyssey /6/Linguistics/Languages/English/Noun/Personal Trait/odyssey
oedipal period /6/Psychology/History/Consciousness/Freud S
Oedipus /6/Religion/Religions/Mythology/Greco-Roman/People/Man/Oedipus myth
Oedipus complex /6/Psychology/Personality/Development/Psychoanalysis/Stages/Oedipus complex
Oedipus complex, Freud /6/Psychology/History/Consciousness/Freud S
oeil /6/Linguistics/Languages/French/Noun/People/oeil
oeil-de-boeuf /6/Linguistics/Languages/French/Noun/House/oeil-de-boeuf
oenothera /4/Botany/Plant/Kinds/Flower/Primulaceae/evening primrose
oeuf /6/Linguistics/Languages/French/Noun/Animal/oeuf
oeufs à la neige /6/Linguistics/Languages/French/Noun/Food/oeufs a la neige
oeuvre /6/Linguistics/Languages/French/Noun/oeuvre
ofay /6/Linguistics/Languages/English/Noun/People/ofay
off rhyme /2/Literature/Poetry/Rhyme/rhyme
offal /4/Zoology/Organ/Digestion/Feces/offal
OFF-center neuron /4/Zoology/Organ/Nerve/Neuron/Kinds/ganglion cell types
offer /6/Law/Contract/offer
offert /6/Linguistics/Languages/French/Adjective/offert
Offertory, mass /2/Music/Classical/Composition Types/Church/mass in church
offertory, text /2/Literature/Prose/Kinds/Religious/offertory
off-glide /6/Linguistics/Phonetics/Glide/off-glide
office /6/Political Science/Government/Branch/Executive/office of government
official ideology /6/Political Science/ideology
officiary /6/Linguistics/Languages/English/Noun/People/Profession/officiary
officious /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/officious
offing /6/Linguistics/Languages/English/Noun/State/offing
off-line processing /3/Computer Science/Software/Operating System/Operations/computer operations
offset frequency /5/Physics/Wave/Electromagnetic/Coherence/laser
offset printing /7/Machine/Kinds/Printing/Kinds/lithography
offset, hearing /1/Consciousness/Sense/Hearing/Physiology/Intensity/Rate/decay in sound
offshore /6/Economics/Microeconomics/Business/International/offshore
offshoring /6/Economics/Microeconomics/Business/offshoring
offside, football /7/Game/Athletic/Ball/football
offside, hockey /7/Game/Athletic/Winter/ice hockey
offside, soccer /7/Game/Athletic/Ball/soccer
ogham /6/Linguistics/Writing/Alphabet/Linear/ogham
ogle /6/Linguistics/Languages/English/Verb/Intransitive/ogle
ogre /6/Linguistics/Languages/English/Noun/People/ogre
Ohio /6/Geography/Political/State/USA Midwest/Ohio state
Ohio River /6/Geography/Water/River/Americas/North America/Ohio River
ohm /5/Physics/Measurement/Units/fundamental unit
Ohm law /5/Physics/Electromagnetism/Conductivity/Conductor/Ohm law
ohmmeter /5/Physics/Electromagnetism/Circuit/Kinds/Instruments/ohmmeter
Ohm's law /5/Physics/Electromagnetism/Conductivity/Conductor/Ohm law
ohr /6/Linguistics/Languages/German/ohr
-oid /6/Linguistics/Languages/English/Affix/Suffix/-oid
oie /6/Linguistics/Languages/French/Noun/Animal/oie
oignon /6/Linguistics/Languages/French/Noun/Plant/oignon
oil and vinegar /7/Food/Cooking/Prepared Food/Sauce/Salad Dressing/oil and vinegar
oil extraction from plant /6/History/History/Invention/Asia/Middle East/oil extraction
oil paint /7/Machine/Industrial Materials/Organic Chemical/paint
oil painting /2/Art/History/Painting/Campin R
oil, biochemistry /5/Chemistry/Biochemistry/Lipid/Kinds/Fatty Acid/triglyceride
oilcloth /7/Personal Affairs/Fabric/Waterproof/oilcloth
oilskin /7/Personal Affairs/Fabric/Waterproof/oilskin
oilstone /7/Machine/Tool/Cutting/Knife/oilstone
ointment /7/Personal Affairs/Skin/Cream/ointment
oiselle /6/Linguistics/Languages/French/Noun/Plant/oiselle
Ojibway /6/History/Ethnic Groups/Americas/North America/Ojibway group
Okazeki fragment /5/Chemistry/Biochemistry/Nucleic Acid/Replication/Okazeki fragment
OKD.doc file /0/Outline Of Knowledge/Files/OKD.doc file
OKD.pdf file /0/Outline Of Knowledge/Files/OKD.pdf file
Okefenokee Swamp /6/Geography/Water/Swamp/Okefenokee Swamp
Okhotsk Sea /6/Geography/Water/Sea/Asia/Okhotsk Sea
Okie /6/History/Ethnic Groups/Americas/North America/Okie group
Okinawa /6/Geography/Land/Island/Asia/Okinawa island
Oklahoma /6/Geography/Political/State/USA Southwest/Oklahoma state
Oklahoma City /6/Geography/Political/City/Americas/North America/USA/West/Oklahoma City
okra /7/Food/Vegetable/okra
olalaberry /7/Food/Vegetable/Fruit/Berry/olalaberry
olallieberry /7/Food/Vegetable/Fruit/Berry/olalaberry
Olber paradox /5/Astronomy/Universe/Cosmology/Olber paradox
Olber's paradox /5/Astronomy/Universe/Cosmology/Olber paradox
Old Comedy /2/Literature/Drama/Kinds/Comedy/comedy drama
old fashioned /7/Food/Drink/Alcoholic/Mixed/old fashioned
Old Glory /6/Linguistics/Languages/English/Noun/Proper Noun/Old Glory
old guard /6/Linguistics/Languages/English/Noun/Group Of People/old guard
Old Nick /6/Linguistics/Languages/English/Noun/Proper Noun/Old Nick
old school person /6/Linguistics/Languages/English/Noun/People/old school
Old World monkey /4/Zoology/Kinds/Monkey/Old World/Old World monkey general
old-line /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/old-line
ole- /6/Linguistics/Languages/English/Affix/Prefix/oleo-
oleander /4/Botany/Plant/Kinds/Flower/Apocynaceae/oleander
olefin /5/Chemistry/Organic/Chemical/Alkene/alkene
oleic acid /5/Chemistry/Organic/Chemical/Carboxylic Acid/carboxylic acid
oleo- /6/Linguistics/Languages/English/Affix/Prefix/oleo-
olfaction /1/Consciousness/Sense/Smell/smell
olfactory bulb /1/Consciousness/Sense/Smell/Anatomy/Neuron Assemblies/olfactory bulb
olfactory cleft /1/Consciousness/Sense/Smell/Anatomy/Nose/olfactory cleft
olfactory cortex /1/Consciousness/Sense/Smell/Anatomy/Neuron Assemblies/olfactory cortex
olfactory epithelium /1/Consciousness/Sense/Smell/Anatomy/Nose/olfactory epithelium
olfactory nerve /4/Zoology/Organ/Nerve/Kinds/Cranial Nerve/olfactory nerve
olfactory receptor /1/Consciousness/Sense/Smell/Anatomy/Cells/olfactory receptor
olfactory sensory neuron /1/Consciousness/Sense/Smell/Anatomy/Nose/olfactory epithelium
olig- /6/Linguistics/Languages/English/Affix/Prefix/olig-
oligarchy /6/Linguistics/Languages/English/Noun/Group Of People/oligarchy
oligarchy, Aristotle /6/Philosophy/History/Mind/Aristotle
oligist /5/Earth Science/Mineral/Kinds/Iron/hematite
oligo /4/Genetics/Recombinant DNA/Amplification/DNA Sequence/oligonucleotide
oligo- /6/Linguistics/Languages/English/Affix/Prefix/olig-
oligochaeta /4/Zoology/Kinds/Annelid/Classes/earthworm
oligodendrocyte /4/Zoology/Organ/Nerve/Glia/oligodendrocyte
oligomer /5/Chemistry/Biochemistry/Protein/Structure/oligomer
oligonucleotide /4/Genetics/Recombinant DNA/Amplification/DNA Sequence/oligonucleotide
oligopoly /6/Economics/Microeconomics/Market/Structure/oligopoly
oligosaccharide /5/Chemistry/Biochemistry/Carbohydrate/Carbohydrates/Polymer/oligosaccharide
oligothiophene /7/Machine/Industrial Materials/Organic Chemical/Polymer/oligothiophene
olive branch symbol /6/Linguistics/Writing/Symbol/Plant/olive branch symbol
olive, color /6/Linguistics/Languages/English/Noun/Color/olive color
olive, cultivation /6/History/History/Invention/Europe/olive Crete
olive, food /7/Food/Vegetable/olive
olive, plant /4/Botany/Plant/Kinds/Flower/Asteracea/Lamiaceae/Oleaceae/olive as plant
Olivier /7/Food/Cooking/Prepared Food/Meat/Olivier food
olivine /5/Earth Science/Mineral/Kinds/Silicates/Nesosilicate/olivine
Olympia Mountains /6/Geography/Land/Mountain Range/Europe/Olympia Mountains
Olympia Plain /6/Geography/Land/Plain/Olympia Plain
Olympian /6/History/Ethnic Groups/Europe/South Europe/Olympian group
Olympic Games /6/History/History/Culture/Olympic Games
Olympus /6/Religion/Religions/Mythology/Greco-Roman/Thing/Olympus
OM /6/Religion/Religions/Hinduism/Symbols/OM
Omaha, city /6/Geography/Political/City/Americas/North America/USA/Central/Omaha city
Omaha, group /6/History/Ethnic Groups/Americas/North America/Omaha group
Oman /6/Geography/Political/Country/Asia/Middle East/Oman country
Oman Gulf /6/Geography/Water/Gulf/Oman Gulf
ombudsman /6/Linguistics/Languages/English/Noun/People/Profession/ombudsman
omega consistency, completeness /3/Mathematics/Axiomatic Theory/Completeness/omega consistency
omega consistency, logic /3/Logic/consistency in logic
omega interneuron /1/Consciousness/Sense/Hearing/Anatomy/Brain/Neurons/omega interneuron
omega point /6/Philosophy/History/Metaphysics/Chardin P
omega, number /3/Computer Science/Systems/Complexity Theory/halting problem
omega-3 fatty acid /4/Nutrition/Nutrient/omega-3 fatty acid
omelet /7/Food/Cooking/Prepared Food/Egg/omelet
omentum /4/Zoology/Organ/Digestion/Parts/Small Intestine/Connectors/omentum
ominous /6/Linguistics/Languages/English/Adjective/State/Bad/ominous
omission fallacy /3/Logic/Fallacy/Deduction/omission fallacy
omission training /6/Psychology/Cognition/Learning/Kinds/omission training
omission, responsibility /6/Psychology/Cognition/Will/Intention/omission and responsibility
omission, will /6/Psychology/Cognition/Will/Intention/action by will
ommatidia /4/Zoology/Kinds/Arthropod/Insect/ommatidia
omni- /6/Linguistics/Languages/English/Affix/Prefix/omni-
omnibus /7/Machine/Transportation/Vehicle/omnibus
omnificent /6/Linguistics/Languages/English/Adjective/Personal Trait/omnificent
omnipotence /6/Religion/God/Attributes/omnipotence
omnipotent /6/Religion/God/Attributes/omnipotence
omnipresent /6/Religion/God/Attributes/omnipresent
Omnis cellula e cellula /4/Biology/History/Medicine/Virchow R
omniscience /6/Religion/God/Attributes/omniscience
omniscient /6/Religion/God/Attributes/omniscience
omniscient third person /2/Literature/Prose/Theory/Viewpoint/omniscient third person
omnivore /4/Ecology/Community/Food Chain/Organism Types/omnivore
omote /6/Linguistics/Languages/Japanese/omote
-on /6/Linguistics/Languages/English/Affix/Suffix/-on
on guard /7/Game/Athletic/fencing
on the rocks /7/Food/Drink/Alcoholic/Names/on the rocks
onager /6/History/History/Invention/Asia/Middle East/onager
onanism /4/Zoology/Organ/Reproduction/Sex Methods/Masturbation/onanism
once /6/Linguistics/Languages/Spanish/Noun/Number/once
onchocerciasis /4/Medicine/Disease/Kinds/Organism/Worm/onchocerciasis
oncogene /4/Medicine/Disease/Kinds/Cancer/Genes/Oncogene/oncogene
oncogene-induced cell senescence /4/Medicine/Disease/Kinds/Cancer/Genes/Oncogene/ras gene
oncology /4/Biology/Subjects/Medicine/oncology
oncomodulin /4/Zoology/Organ/Nerve/Neural Chemical/Hormone/oncomodulin
oncovirus /4/Medicine/Disease/Kinds/Cancer/oncovirus
onde /6/Linguistics/Languages/French/Noun/onde
one drop /2/Music/History/Popular Music/Rock Music/Composers/Marley B
one gene one enzyme one reaction hypothesis /4/Genetics/one gene one enzyme
one-person game /3/Game Theory/Game Types/one-person game
one-person one-vote principle /3/Game Theory/Voting/Principles/equal treatment principle
onerous /6/Linguistics/Languages/English/Adjective/State/Bad/onerous
one-sample t test /3/Statistics/Tests/t test
one-tailed test /3/Statistics/Tests/statistical tests
one-to-one correspondence /3/Set Theory/Set Properties/one-to-one correspondence
one-trial learning /6/Psychology/History/Behavior/Guthrie E
one-way head /7/Machine/Tool/Fastening/Fastener/Screw/screw as fastener
on-glide /6/Linguistics/Phonetics/Glide/on-glide
onion /7/Food/Vegetable/Onion/onion
onionskin /7/Machine/Industrial Materials/Organic Chemical/Paper/onionskin
on-line processing /3/Computer Science/Software/Operating System/Operations/computer operations
onnagata /2/Literature/Drama/Kinds/kabuki play
ON-OFF-center neuron /4/Zoology/Organ/Nerve/Neuron/Kinds/ganglion cell types
onomatology /6/Linguistics/Semantics/onomatology
onomatopoeia /6/Linguistics/Language/Beginnings/Theory/onomatopoeic theory
onomatopoeic theory /6/Linguistics/Language/Beginnings/Theory/onomatopoeic theory
onomatopoeic theory of meaning /6/Linguistics/Semantics/Meaning/meaning
onset, hearing /1/Consciousness/Sense/Hearing/Physiology/Intensity/Rate/attack in sound
ont- /6/Linguistics/Languages/English/Affix/Prefix/ont-
Ontario /6/Geography/Political/Province/Canada/Ontario Province
onto- /6/Linguistics/Languages/English/Affix/Prefix/ont-
ontogeny /4/Zoology/Development/Processes/Recapitulation/ontogeny
ontogeny recapitulates phylogeny /4/Zoology/Development/Processes/Recapitulation/recapitulation
ontological argument /6/Religion/God/Arguments/ontological argument
ontological argument, Anselm /6/Philosophy/History/Epistemology/Anselm
ontological argument, God /6/Religion/God/god
ontological proof /6/Religion/God/Arguments/ontological proof
ontological relativity /6/Philosophy/History/Epistemology/Quine W
ontology /6/Philosophy/Metaphysics/Existence/ontology metaphysics
ontology logic /3/Logic/Kinds/ontology logic
ontology logic, Lesniewski /3/Mathematics/History/Logic/Lesniewski S
onus /6/Linguistics/Languages/Latin/onus
-onym /6/Linguistics/Languages/English/Affix/Suffix/-onym
onyx /5/Earth Science/Mineral/Kinds/Silicates/Quartz/onyx
onze /6/Linguistics/Languages/French/Noun/Number/onze
oo- /6/Linguistics/Languages/English/Affix/Prefix/oo-
oocyst /4/Zoology/Kinds/Protozoa/Classes/Toxoplasma
oocyte /4/Zoology/Organ/Reproduction/Female/Egg/oocyte
oogenesis /4/Zoology/Organ/Reproduction/Female/Egg/oogenesis
oogonium /4/Zoology/Organ/Reproduction/Female/Egg/oogonium
oolong tea /7/Food/Drink/Tea/oolong tea
Oort cloud /5/Astronomy/Solar System/Comet/Oort cloud
ootid /4/Zoology/Organ/Reproduction/Female/Egg/ootid
op. /6/Linguistics/Languages/English/Abbreviation/op. opposite
op. cit. /6/Linguistics/Languages/English/Abbreviation/op. cit.
opacity /1/Consciousness/Sense/Vision/Opacity/opacity
opal /5/Earth Science/Mineral/Kinds/Silicates/Opal/opal
opalescence, glow /5/Chemistry/Inorganic/Phase/opalescence
opalescence, vapor /3/Mathematics/History/Complexity Theory/Swinney H
opaque material /5/Physics/Wave/Superposition/Refraction/Transfer/opaque material
Oparin-Haldane hypothesis /4/Biology/History/Origin Of Life/Oparin A
Oparin-Haldane hypothesis, Haldane /4/Biology/History/Origin Of Life/Haldane JBS
open advertisement /6/Education/Job/job
open cluster /5/Astronomy/Galaxy/Milky Way Galaxy general
open door /6/Political Science/International Relations/Trade/open door
open ending /2/Music/Classical/Styles/polyphony
open fracture /7/Personal Affairs/Health/First Aid/fracture of bone
open interval, set /3/Set Theory/Laws Of Form/boundary in sets
open interval, topology /3/Topology/Interval/Boundary/open interval
open key /2/Music/Theory/Scale/Scales/Diatonic/key of C
open letter /2/Literature/Prose/Kinds/Letter/open letter
open listing /7/Legal Affairs/Property/Housing/Buying/listing house
open reading frame /4/Genetics/Nucleic Acid/Regions/open reading frame
open sesame /6/Linguistics/Languages/English/Noun/State/open sesame
open set /3/Set Theory/Set Types/Interval/open set
open shop /6/Economics/Microeconomics/Production/Factors/Labor/Union/Shop/open shop
open string /5/Physics/String Theory/open string
open syllable /6/Linguistics/Grammar/Inflection/syllable
open system /3/Computer Science/System Analysis/Definition/system by definition
open-closed principle /3/Computer Science/Software/Programming/open-closed principle
open-end lease /6/Economics/Microeconomics/Property/Rents/open-end lease
open-end mortgage /7/Legal Affairs/Property/Housing/Buying/Mortgage/mortgage
open-ended mutual fund /7/Financial Affairs/Investing/mutual fund
open-hearth furnace /7/Machine/Kinds/Heat/Furnace/steel making
open-hearth process /6/History/History/Invention/Europe/Bessemer H
opening measurement /5/Physics/Measurement/Kinds/Space/opening measurement
opera /2/Music/Classical/Composition Types/Opera/opera
opera buffa /2/Music/Classical/Composition Types/Opera/opera buffa
opera comique /2/Music/Classical/Composition Types/Opera/opera comique
opera glass /7/Personal Affairs/Glasses/opera glass
opera hat /7/Personal Affairs/Clothing/Hat/opera hat
opera seria /2/Music/Classical/Composition Types/Opera/opera seria
operant conditioning, ethics /6/Philosophy/Ethics/Theories/Feeling/operant conditioning ethics
operant conditioning, learning /6/Psychology/Cognition/Learning/Kinds/Conditioning/Instrumental/operant conditioning
operant conditioning, Skinner /6/Psychology/History/Behavior/Skinner BF
operating system /3/Computer Science/Software/Operating System/operating system
operating system and sensations /1/Consciousness/Speculations/Sensation/Computer Science/operating system and sensations
operating system services /3/Computer Science/Software/Programming/Techniques/operating system services
operation /3/Computer Science/Systems/Artificial Intelligence/artificial intelligence
operation code register /3/Computer Science/Hardware/Parts/register
operation span /6/Psychology/Cognition/Memory/Recall/operation span
operational /6/Linguistics/Languages/English/Adjective/State/operational working
operational amplifier /3/Computer Science/Hardware/Kinds/analog computer
operational behaviorism /6/Philosophy/History/Mind/Ryle G
operational definition, logic /3/Logic/Definition/operational definition
operational definition, premise /3/Logic/Statements/Reasoning/premise
operational plan /6/Economics/Microeconomics/Business/Document/Plans/operational plan
operational research /3/Game Theory/game theory
operationalism, Bridgman /5/Physics/History/Bridgman P
operationalism, epistemology /6/Philosophy/Epistemology/Meaning/operationalism and meaning
operationalism, mind theory /6/Philosophy/Mind/Theories/operationalism and mind
operations research /3/Computer Science/System Analysis/operations research
operations, program /3/Computer Science/Software/Programming/operations in program
operator pore /4/Zoology/Organ/Nerve/Neural Chemical/Transmitter/vesigate
operator region /4/Genetics/Nucleic Acid/Regions/Regulation/operator region of gene
operator routine /3/Computer Science/Software/Operating System/Parts/operator routine
operator, programming /3/Computer Science/Software/Programming/Languages/programming language
operator, system /3/Computer Science/System Analysis/Definition/operator in system
operator, wavefunction /5/Physics/Quantum Mechanics/Wavefunction/Collapse/Measurement/Operators/observable in measurement
opercular bone, fish /4/Zoology/Kinds/Fish/Operculum/opercular bone
opercular bone, tetrapod /4/Zoology/Kinds/Fish/Teleost/Lobe-Finned/Fresh Water/Tetrapod/tetrapod
operculum /4/Zoology/Kinds/Fish/Operculum/operculum
operetta /2/Music/Classical/Composition Types/Opera/operetta
operon /4/Genetics/Nucleic Acid/Regions/Regulation/operon
ophiolite /5/Earth Science/Planet/Plate Tectonics/Mountain Building/ophiolite
ophthalm- /6/Linguistics/Languages/English/Affix/Prefix/ophthalm-
ophthalmo- /6/Linguistics/Languages/English/Affix/Prefix/ophthalm-
ophthalmology /4/Biology/Subjects/Medicine/ophthalmology
ophthalmoscope /1/Consciousness/Sense/Vision/Techniques/ophthalmoscope
ophthalmoscope, Helmholtz /4/Biology/History/Invention/Helmholtz H
opiate antagonist /4/Medicine/Drug/Kinds/Mental Illness/anti-opiate
opiate drug /4/Medicine/Drug/Kinds/Pain/Opiate/opiate drug
opiate peptide /4/Zoology/Organ/Endocrine Gland/Hormone/Nerve/Opioid/opiate peptide
opine, amino acid /4/Genetics/Plant/Disease/Crown Gall Tumor/opine amino acid
opine, verb /6/Linguistics/Languages/English/Verb/Communication/opine verb
opinion /6/Sociology/Sociological Group/Communication/opinion
opinionated /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/opinionated
opioid peptide /4/Zoology/Organ/Endocrine Gland/Hormone/Nerve/Opioid/opiate peptide
opioid receptor /1/Consciousness/Sense/Pain/Anatomy/Receptors/opioid receptor
opisthokonts /4/Zoology/Classification/division of animals
opium /4/Medicine/Drug/Kinds/Pain/Opiate/opium as drug
opium poppy /4/Botany/Plant/Kinds/Flower/Papaveraceae/opium poppy
opium production /6/History/History/Invention/Asia/Middle East/opium invented
opossum /4/Zoology/Kinds/Mammal/Marsupial/opossum
opp. /6/Linguistics/Languages/English/Abbreviation/opp.
opponency /1/Consciousness/Sense/Vision/Color Vision/opponency
opponent color theory /1/Consciousness/Sense/Vision/Color Vision/opponency
opponent color theory, Hering /4/Biology/History/Sensation/Hering E
opportune /6/Linguistics/Languages/English/Adjective/State/opportune
opportunistic /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/opportunistic
opportunistic selection /4/Biology/Evolution/Selection/selection types
opportunity cost /6/Economics/Microeconomics/Production/Factors/opportunity cost
opposite angle /3/Geometry/Plane/Polygon/opposite side
opposite number /6/Linguistics/Languages/English/Noun/People/opposite number
opposite parity /3/Number Theory/parity of numbers
opposite side, polygon /3/Geometry/Plane/Polygon/opposite side
opposite side, right triangle /3/Algebra/Function/Kinds/Trigonometric/trigonometric function
opposite vertex /3/Geometry/Plane/Polygon/opposite side
opposites relation /6/Philosophy/Epistemology/Relation/opposites relation
opposition /2/Literature/Rhetoric/Word Play/opposition
opposition method /6/Psychology/Cognition/Memory/Properties/process purity problem
opprobrium /6/Linguistics/Languages/Latin/opprobrium
Ops /6/Religion/Religions/Mythology/Norse/Thing/Ragnarok
-opsy /6/Linguistics/Languages/English/Affix/Suffix/-opsy
opt /6/Linguistics/Languages/English/Verb/opt
optic array /1/Consciousness/Sense/Vision/optic array
optic ataxia /4/Medicine/Disease/Kinds/Organ/Nerve/Muscle/optic ataxia
optic chiasma /4/Zoology/Organ/Nerve/Brain/Circuit/optic chiasma
optic disk /4/Zoology/Organ/Nerve/Kinds/Cranial Nerve/optic nerve
optic flow /1/Consciousness/Sense/Vision/Physiology/Motion/Optic Flow/visual flow
optic nerve /4/Zoology/Organ/Nerve/Kinds/Cranial Nerve/optic nerve
optic tectum /4/Zoology/Organ/Nerve/Brain/Brainstem/Midbrain/optic tectum
optical /2/Movie/Techniques/optical in movie
optical activity /5/Physics/Wave/Electromagnetic/Polarization/Dispersion/optical activity
optical character recognition /3/Computer Science/Hardware/Input-Output/input of computer
optical coherence tomography /4/Biology/Techniques/optical coherence tomography
optical fiber /7/Machine/Kinds/Optical/Lens/optical fiber
optical flow field /4/Zoology/Organ/Nerve/Brain/Cerebrum/Temporal Lobe/middle superior temporal area
optical flow, camera /3/Computer Science/Systems/Computer Vision/Tasks/optical flow
optical flow, vision /1/Consciousness/Sense/Vision/Physiology/Motion/Optic Flow/visual flow
optical isomer /5/Chemistry/Organic/Bond Orientation/Isomer/Stereo/stereoisomer
optical Kerr effect /5/Physics/Wave/Electromagnetic/Intensity/Kerr effect
optical printing /2/Movie/Equipment/Film/optical printing
optical rotatory dispersion /5/Physics/Wave/Electromagnetic/Polarization/Dispersion/Cotton effect
optician /6/Linguistics/Languages/English/Noun/People/Profession/optician
optima /3/Calculus/Differentiation/Optima/optima
optimal /6/Linguistics/Languages/English/Adjective/State/optimal best
optimal growth /6/Philosophy/History/Epistemology/Ramsey F
optimal state /6/Psychology/Behavior/Kinds/optimal state
optimate /6/Law/National/Roman Law/Roman Classes/Roman social classes
optimize /6/Linguistics/Languages/English/Verb/optimize
optimum /6/Linguistics/Languages/Latin/optimum best
optimum scale /6/Economics/Microeconomics/Finance/Scale/optimum scale
optimum, calculus /3/Calculus/Differentiation/Optima/optima
option /6/Law/Property/option in law
optometry /4/Biology/Subjects/Medicine/optometry
opulent /6/Linguistics/Languages/English/Adjective/State/opulent
opus /6/Linguistics/Languages/Latin/opus
-or /6/Linguistics/Languages/English/Affix/Suffix/-or
OR gate /3/Computer Science/Hardware/Circuit/Gate/OR gate
OR7D4 receptor /4/Zoology/Organ/Endocrine Gland/Hormone/Sex/androgen
oracle /6/Linguistics/Languages/English/Noun/People/Profession/oracle
orai 1 protein /4/Genetics/Gene/Immunity/orai 1 gene
oral bioavailability /5/Chemistry/Biochemistry/Drug/Mechanics/oral bioavailability
oral consonant /6/Linguistics/Phonetics/Consonant/oral consonant
oral evidence rule /6/Law/Contract/Enforcability/oral evidence rule
Oral Law /6/Law/National/Jewish Law/Mosaic Law/Exposition/Halakha
oral period /6/Psychology/Personality/Development/Psychoanalysis/Stages/oral period
oral polio vaccine /4/Biology/History/Invention/Sabin A
oral tract /6/Linguistics/Phonetics/Articulation/articulation
oral tradition /2/Literature/oral tradition
orang pendek /6/History/History/Life/Homo floresiensis
orange pekoe tea /7/Food/Drink/Tea/orange pekoe tea
orange soda /7/Food/Drink/Soda/orange soda
orange, food /7/Food/Vegetable/Fruit/Citrus Fruit/orange fruit
orangutan /4/Zoology/Kinds/Ape/Great/orangutan
orate /6/Linguistics/Languages/English/Verb/Communication/orate
oration /2/Literature/Prose/Kinds/Essay/oration
orator /6/Linguistics/Languages/English/Noun/People/Profession/orator
oratorio /2/Music/Classical/Composition Types/Church/oratorio
oratory /2/Literature/Prose/Expressions/Serious/oratory
orb with top cross symbol /6/Linguistics/Writing/Symbol/Pictogram/orb symbol
orb, sphere /6/Linguistics/Languages/English/Noun/Space/orb sphere
orbit, electron /5/Physics/Matter/Atom/Orbital/electron orbit
orbit, eye /4/Zoology/Organ/Skeleton/Bones/Head/Jaw/orbit of eye
orbit, planet /5/Astronomy/Solar System/Orbit/orbit of planet
orbit, revolution /5/Physics/Kinetics/Motion Types/Rotation/revolution as rotation
orbital /5/Physics/Matter/Atom/Orbital/orbital of atom
orbital angular momentum, atom /5/Physics/Matter/Atom/Orbital/orbital of atom
orbital angular momentum, light /5/Physics/Wave/Superposition/orbital angular momentum
orbitofrontal cortex /4/Zoology/Organ/Nerve/Brain/Cerebrum/Frontal Lobe/orbitofrontal cortex
orbito-frontal lobe /4/Zoology/Organ/Nerve/Brain/Cerebrum/Frontal Lobe/orbito-frontal lobe
orca /4/Zoology/Kinds/Cetacean/Dolphin/orca
Orcadian /6/History/Ethnic Groups/Europe/Orcadian group
orchard tree /4/Botany/Plant/Kinds/Tree/Fruit/orchard tree
orchestrate /6/Linguistics/Languages/English/Verb/orchestrate
orchid /4/Botany/Plant/Kinds/Flower/Orchidaceae/orchid
ordain /6/Linguistics/Languages/English/Verb/Communication/ordain
order axiom /3/Number Theory/Theorem/Axiom/order axiom
order discrimination /6/Psychology/Cognition/Perception/Properties/order discrimination
order for free /3/Computer Science/Systems/Self-Organization/self-organization
order group /3/Computer Science/System Analysis/Patterns/order group
order of business /6/Political Science/Government/Branch/Legislative/Procedure/Parliamentary/order of business
order of symmetry /3/Geometry/Transformation/Symmetry/order of symmetry
order recall /6/Psychology/Cognition/Learning/Kinds/free recall
order relation /3/Number Theory/Theorem/Order Relation/order relation
order statistics /3/Statistics/order statistics
order, classification /4/Biology/Evolution/Classification/Levels/order of organisms
order, differential /3/Calculus/Differential Equation/differential equation
order, group /3/Group Theory/group in mathematics
order, matrix /3/Algebra/Equation/System/Matrix/order of matrix
order, polygon /3/Geometry/Plane/Polygon/nodal point of polygon
order, radical /3/Algebra/Equation/Solution/root of equation
order, reaction /5/Chemistry/Inorganic/Chemical Reaction/Rate/reaction rate
order, tensor /3/Calculus/Vector/Tensor/order of tensor
ordered /3/Set Theory/Set Properties/ordered in sets
ordered geometry /3/Geometry/Kinds/ordered geometry
ordered n-tuple /3/Set Theory/Set Properties/ordered in sets
ordered pair, set /3/Set Theory/Set Properties/ordered in sets
ordered pair, space /3/Geometry/Space/dimension
ordered sequence /3/Calculus/Series/Kinds/ordered sequence
ordered set /3/Set Theory/Set Types/Ordered/ordered set
ordered term /3/Calculus/Series/Sequence/sequence
ordered triple /3/Geometry/Space/dimension
ordinal level /5/Physics/Quantum Mechanics/Wavefunction/Collapse/Measurement/measurement level
ordinal number /3/Number Theory/Number Types/ordinal number
ordinance /6/Law/Kinds/ordinance
ordinary differential equation /3/Calculus/Differential Equation/ordinary differential equation
ordinary fraction /3/Arithmetic/Fraction/fraction
ordinary least-squares /5/Chemistry/Biochemistry/Drug/Activity/Methods/Regression/Least Squares/ordinary least-squares
ordinary, mass /2/Music/Classical/Composition Types/Church/mass in church
ordinate /3/Geometry/Coordinate System/Cartesian coordinate
ordination /6/Linguistics/Languages/English/Noun/Personal Trait/ordination
ordnance /7/Military Affairs/Weapon/Munition/ordnance
ordure /6/Linguistics/Languages/English/Noun/State/ordure
oregano /7/Food/Vegetable/Spice/Leaf/Marjoram/oregano
Oregen /6/History/Ethnic Groups/Asia/East Asia/Oregen group
Oregon /6/Geography/Political/State/USA Northwest/Oregon state
Oregon myrtle /4/Botany/Plant/Kinds/Tree/mountain laurel
Oregon Trail /6/Geography/Structure/Trail/Oregon Trail
oregonator model /5/Chemistry/Organic/Chemical Reaction/Belousov-Zhabotinskii reaction
oreille /6/Linguistics/Languages/French/Noun/Animal/oreille
oreja /6/Linguistics/Languages/Spanish/Noun/oreja
Orestes /6/Religion/Religions/Mythology/Greco-Roman/People/Man/Orestes
orexin /4/Zoology/Organ/Endocrine Gland/Hormone/Appetite/hypocretin
organ of Corti /1/Consciousness/Sense/Hearing/Anatomy/Cochlea/Membranes/organ of Corti
organ point /2/Music/Notation/Note Changes/pedal point
organ tablature /2/Music/History/Classical Music/Buxtehude D
organ, body /4/Zoology/Organ/organ of body
organ, instrument /2/Music/Instrument/Instruments/organ music
organdy /7/Personal Affairs/Fabric/Weave/organdy
organelle /4/Cell/Organelle/organelle
organic chemistry /5/Chemistry/Organic/organic chemistry
organic evolution /4/Biology/Evolution/Theory/evolution theory
organic light-emitting device /7/Machine/Kinds/Illumination/Lighting/Display/organic light-emitting device
organic mineral /5/Earth Science/Mineral/Kinds/Organic/organic mineral
organic molecule, chemistry /5/Chemistry/Organic/organic chemistry
organic molecule, life /4/Biology/Evolution/evolution in biology
organic psychosis /4/Medicine/Disease/Kinds/Organ/Nerve/Mental/Psychosis/organic psychosis
organism /4/Biology/Life/organism
organismic psychology /6/Philosophy/Mind/Theories/Psychology/organismic psychology
organization /6/Education/Writing/Process/writing process
organizational behavioral theory /6/Economics/Microeconomics/Business/Administration/administration theory
organized crime /6/Law/Crime/Group/organized crime
organizer /4/Zoology/Development/Processes/organizer in development
organizing /6/Political Science/Rights/Needs/Work/Union/organizing
organophosphate /7/Machine/Industrial Materials/Organic Chemical/organophosphate
organotroph /5/Chemistry/Biochemistry/Chemical Cycle/Energy/troph
organum /2/Music/Classical/Styles/organum
organum purum /2/Music/Classical/Styles/descant style
orgasm /4/Zoology/Organ/Reproduction/Intercourse/orgasm
orge /6/Linguistics/Languages/French/Noun/Plant/orge
orgiastic /6/Linguistics/Languages/English/Adjective/Personal Trait/orgiastic
orgone theory /6/Psychology/History/Psychiatry/Reich W
oriel /7/Machine/Kinds/Mechanical/Window/oriel
Orient /6/Linguistics/Languages/English/Noun/Proper Noun/Orient
orientability /3/Topology/Surface/Orientation/orientability
orientable surface /3/Topology/Surface/Orientation/orientable surface
Oriental /6/History/Ethnic Groups/Asia/Oriental group
oriental /6/Linguistics/Languages/English/Adjective/Space/oriental
Oriental lacquer /7/Machine/Industrial Materials/Organic Chemical/Oil/varnish
Oriental medicine /4/Medicine/Oriental Medicine/Oriental medicine
Oriental, people /4/Biology/Evolution/Classification/Levels/Race/race
Orientalizing Style /2/Art/History/Art Styles/Greek Orientalizing art
orientation /3/Geometry/Space/direction
orientation column /4/Zoology/Organ/Nerve/Brain/Cerebrum/Cerebral Column/orientation column
orientation columns and direction /1/Consciousness/Speculations/Space/Biology/Coordinates/orientation columns and direction
orientation followup /6/Psychology/Cognition/Attention/attention
orientation map /6/Psychology/Cognition/Attention/orientation map
orientation reflex /4/Zoology/Organ/Nerve/Reflex/orientation reflex
orientation response, attention /6/Psychology/Cognition/Attention/attention
orientation response, vision /1/Consciousness/Sense/Vision/Physiology/vision physiology
orientation sense /4/Zoology/Organ/Nerve/Reflex/orientation reflex
orientation tuning, cell /4/Zoology/Organ/Nerve/Neuron/Kinds/simple cell
orientation tuning, minicolumn /4/Zoology/Organ/Nerve/Brain/Cerebrum/Cerebral Column/minicolumn
orientation, topology /3/Topology/Surface/Orientation/orientation in topology
orientation-dependent aftereffect /1/Consciousness/Sense/Vision/Illusions/aftereffect
orientation-entanglement relation /3/Calculus/Vector/version of vector
orienting response /4/Zoology/Organ/Nerve/Reflex/orientation reflex
orifice /4/Zoology/Organ/Digestion/Parts/orifice
orifice plate /5/Chemistry/Industrial Chemistry/industrial chemistry
oriflamme /2/Art/Painting/Kinds/oriflamme
origami /6/Linguistics/Languages/Japanese/origami
origan /6/Linguistics/Languages/French/Noun/Plant/origan
origin /3/Geometry/Coordinate System/Cartesian coordinate
origin of life /4/Biology/Life/Origin/origin of life
origin, muscle /4/Zoology/Organ/Muscle/muscle
origin, state /3/Computer Science/System Analysis/systems analysis
original sin /6/Religion/Religions/Christianity/Sin/original sin
originate /6/Linguistics/Languages/English/Verb/originate
origination, will /6/Psychology/Cognition/Will/Theories/origination
origins of self /1/Consciousness/Speculations/Observer/Biology/origins of self
oriole /4/Zoology/Kinds/Bird/Kinds/Songbird/Oriole/oriole
Orion /6/Religion/Religions/Mythology/Greco-Roman/People/Man/Orion
Orkney Islands /6/Geography/Land/Island/Europe/Orkney Islands
Orleans /6/Geography/Political/City/Europe/France/Orleans city
Orlon /7/Machine/Industrial Materials/Organic Chemical/Polymer/Orlon plastic
Orly Airport /6/Geography/Structure/Building/Orly Airport
ornamentation /6/Linguistics/Languages/English/Noun/State/ornamentation
ornate /6/Linguistics/Languages/English/Adjective/State/ornate
ornithine /5/Chemistry/Biochemistry/Protein/Kinds/urea
ornithology /4/Biology/Subjects/Animal/ornithology
oro- /6/Linguistics/Languages/English/Affix/Prefix/oro-
oroblanco /7/Food/Vegetable/Fruit/Citrus Fruit/oroblanco
orogeny /5/Earth Science/Planet/Plate Tectonics/Mountain Building/orogeny
orotund /6/Linguistics/Languages/English/Adjective/Space/orotund
Orpheus /6/Religion/Religions/Mythology/Greco-Roman/People/Man/Orpheus
Orphic religion /6/Religion/History/Mythology/Orphic religion
orrery /5/Astronomy/Instruments/orrery
orth- /6/Linguistics/Languages/English/Affix/Prefix/ortho-
orthicon /7/Machine/Kinds/Electronic/Light/Wave/orthicon
ortho-, benzene ring /5/Chemistry/Organic/Chemical/Aryl/Benzene/benzene
ortho-, correct /6/Linguistics/Languages/English/Affix/Prefix/ortho-
orthocenter /3/Geometry/Plane/Polygon/Kinds/Triangle/Point/orthocenter
orthoclase /5/Earth Science/Mineral/Kinds/Silicates/Tektosilicate/orthoclase
orthodontics /4/Biology/Subjects/Medicine/Dentistry/orthodontics
orthodox /6/Linguistics/Languages/English/Adjective/State/orthodox
orthodox doctrine /6/Religion/History/Christianity/Cyril of Alexandria
orthodox sleep /1/Consciousness/States/Sleep/Sleep Cycle/non-rapid eye movement sleep
orthoepy /2/Literature/Rhetoric/Word Play/orthoepy
orthogenesis /4/Biology/Evolution/orthogenesis
orthogonal axes /3/Calculus/Vector/Kinds/orthogonal vectors
orthogonal circle /3/Geometry/Plane/Circle/Kinds/orthogonal circle
orthogonal group /3/Group Theory/Mathematical Groups/orthogonal group
orthogonal line, painting /2/Art/Painting/Linear Perspective/convergence line
orthogonal line, perspective /2/Art/Painting/Linear Perspective/vanishing point
orthogonal matrix /3/Algebra/Equation/System/Matrix/Kinds/transpose matrix
orthogonal projection, geometry /3/Geometry/Projections/Object Onto Planes/Orthogonal/orthogonal projection
orthogonal projection, parallel /3/Geometry/Projections/Rays/parallel projection
orthogonal system /3/Calculus/Analysis/Orthogonal/orthogonal system
orthogonal trajectory /3/Geometry/Plane/Circle/Kinds/orthogonal circle
orthogonal vectors /3/Calculus/Vector/Kinds/orthogonal vectors
orthographic projection, area /3/Geometry/Projections/Sphere To Plane/Area Constant/orthographic projection
orthographic projection, orthogonal /3/Geometry/Projections/Object Onto Planes/Orthogonal/orthogonal projection
orthographic projection, zenithal /3/Geometry/Projections/Sphere To Plane/Zenithal/Center/orthographic projection zenithal
orthography /6/Linguistics/Writing/Study/orthography
orthomorphic projection /3/Geometry/Projections/Sphere To Plane/orthomorphic projection
orthonasal olfactory system /1/Consciousness/Sense/Smell/Anatomy/Nose/olfactory epithelium
orthonormal /3/Calculus/Vector/Kinds/orthonormal
orthopedics /4/Biology/Subjects/Medicine/orthopedics
orthophony /2/Literature/Rhetoric/Word Play/orthophony
orthorhombic crystal /5/Chemistry/Inorganic/Phase/Phases/Solid/Crystal/Symmetry/orthorhombic crystal
orthorhombic symmetry group /5/Chemistry/Inorganic/Phase/Phases/Solid/Crystal/Symmetry/orthorhombic crystal
orthotomic curve /3/Geometry/Plane/Curve/Kinds/Set/orthotomic curve
ortie /6/Linguistics/Languages/French/Noun/Plant/ortie
-ory /6/Linguistics/Languages/English/Affix/Suffix/-ory
OS /6/Linguistics/Languages/English/Abbreviation/OS abbreviation
os, bone /4/Zoology/Organ/Skeleton/Bones/os bone
os, French /6/Linguistics/Languages/French/Noun/Animal/os in French
Osaka /6/Geography/Political/City/Asia/Japan/Osaka
Oscar /6/Linguistics/Languages/English/Noun/Proper Noun/Oscar
oscillate /6/Linguistics/Languages/English/Verb/Movement/oscillate
oscillating sequence /3/Calculus/Series/Sequence/sequence
oscillating theory /5/Astronomy/Universe/Cosmology/Theories/oscillating theory
oscillation /5/Physics/Kinetics/Motion Types/Vibration/vibration kinetics
oscillator, circuit /5/Physics/Electromagnetism/Circuit/Kinds/Devices/oscillator device
oscillator, system /3/Computer Science/System Analysis/States/Trajectory/Terminus/state cycle
oscilloscope /7/Machine/Kinds/Instrument/oscilloscope
osculate /6/Linguistics/Languages/English/Verb/Movement/osculate
osculating circle /3/Topology/Interval/osculating circle
osculating curve /3/Geometry/Solid/Curve/Kinds/osculating curve
osculating plane /3/Geometry/Solid/Plane/osculating plane
osculation point /3/Geometry/Plane/Curve/Point/osculation point
-ose /6/Linguistics/Languages/English/Affix/Suffix/-ose
oseille /6/Linguistics/Languages/French/Noun/Plant/oseille
oselamivir /4/Medicine/Drug/Kinds/Antibiotic/Virus/antiviral drug
Osiris /6/Religion/Religions/Mythology/Egyptian/Osiris
-osis /6/Linguistics/Languages/English/Affix/Suffix/-osis
Oslo /6/Geography/Political/City/Europe/Oslo
osmoreceptor /1/Consciousness/Sense/Blood Osmolality/osmoreceptor
osmosis /5/Chemistry/Inorganic/Phase/Solution/Osmosis/osmosis
osmotic pressure /5/Chemistry/Inorganic/Phase/Solution/Osmosis/osmotic pressure
osmotroph /4/Ecology/Community/Food Chain/Organism Types/Troph/osmotroph
osprey /4/Zoology/Kinds/Bird/Kinds/Water Bird/osprey
osseous /6/Linguistics/Languages/English/Adjective/Personal Trait/osseous
ossicles /1/Consciousness/Sense/Hearing/Anatomy/Ear/Middle Ear/Bones/ossicles
ossify /6/Linguistics/Languages/English/Verb/Intransitive/ossify
osso bucco /6/Linguistics/Languages/French/Noun/Food/Meat/osso bucco
oste- /6/Linguistics/Languages/English/Affix/Prefix/oste-
ostensible /6/Linguistics/Languages/English/Adjective/State/ostensible
ostension /6/Philosophy/Epistemology/Perception/Paradigms/ostension
ostensive definition, premise /3/Logic/Statements/Reasoning/premise
ostensive definition, semantics /6/Linguistics/Semantics/Definition/ostensive definition
ostentation /6/Linguistics/Languages/English/Noun/Personal Trait/ostentation
osteo- /6/Linguistics/Languages/English/Affix/Prefix/oste-
osteogenesis imperfecta /4/Medicine/Disease/Kinds/Organ/Skeleton/osteogenesis imperfecta
osteomalacia /4/Nutrition/Nutrient/Vitamin/Fat-Soluble/vitamin D
osteopathy /4/Biology/Subjects/Medicine/osteopathy
osteoporosis /4/Medicine/Disease/Kinds/Nutrition/osteoporosis
ostracism /6/Law/Tort/Kinds/Communication/ostracism
ostracize /6/Linguistics/Languages/English/Verb/Communication/ostracize
ostréi /6/Linguistics/Languages/French/Noun/Animal/ostrei
ostrich /4/Zoology/Kinds/Bird/Kinds/Ratite/ostrich
Ostrogoth /6/History/Ethnic Groups/Europe/Ostrogoth group
Ostwald color space /1/Consciousness/Sense/Vision/Color Vision/Color Space/Ostwald color space
Ostwald dilution law /5/Chemistry/Inorganic/Acid-Base/Ostwald dilution law
Ostwald ripening /5/Chemistry/Analytical Chemistry/Crystallization/Ostwald ripening
Ostwald's dilution law /5/Chemistry/Inorganic/Acid-Base/Ostwald dilution law
ot- /6/Linguistics/Languages/English/Affix/Prefix/ot-
other minds problem /6/Philosophy/Mind/Other/other minds problem
Other, Mill /6/Philosophy/History/Mind/Mill Jo
other-directed person /6/Sociology/Sociological Group/Kinds/Order/peer group
otherworldly /6/Linguistics/Languages/English/Adjective/Personal Trait/otherworldly
otic /1/Consciousness/Sense/Hearing/otic
-otic /6/Linguistics/Languages/English/Affix/Suffix/-otic
otiose /6/Linguistics/Languages/English/Adjective/State/Bad/otiose
otitis media /1/Consciousness/Sense/Hearing/Problems/otitis media
oto- /6/Linguistics/Languages/English/Affix/Prefix/ot-
otolaryngology /4/Biology/Subjects/Medicine/otolaryngology
otolith /1/Consciousness/Sense/Vestibular System/Anatomy/otolith
Oto-Manguean language family /6/Linguistics/Language/Family/Americas/North America/Oto-Manguean
otosclerosis /1/Consciousness/Sense/Hearing/Problems/otosclerosis
ototoxic /1/Consciousness/Sense/Hearing/Problems/ototoxic
otro /6/Linguistics/Languages/Spanish/Adjective/otro
Otsu pictures /2/Art/History/Painting/Matahei
ottava rima /2/Literature/Poetry/Prosody/ottava rima
Ottawa, city /6/Geography/Political/City/Americas/North America/Canada/Ottawa city
Ottawa, group /6/History/Ethnic Groups/Americas/North America/Ottawa group
otter /4/Zoology/Kinds/Carnivore/Mustelid/otter
Otto cycle /7/Machine/Kinds/Engine/Otto cycle
ottoman /2/Art/Sculpture/Furniture/Chair/ottoman
Ottoman Empire /6/Geography/Political/Country/Asia/Middle East/Ottoman Empire country
Otx gene /4/Genetics/Gene/Development/Homeobox Gene/Otx gene
oubliette /2/Art/Architecture/Buildings/Prison/oubliette
ouija /7/Game/Board/ouija
Ouranopithecus /6/History/History/Life/Dryopithecus
Ouranos /6/Religion/Religions/Mythology/Greco-Roman/Uranus god
oursin /6/Linguistics/Languages/French/Noun/Animal/oursin
-ous /6/Linguistics/Languages/English/Affix/Suffix/-ous
out- /6/Linguistics/Languages/English/Affix/Prefix/out-
out of order /6/Political Science/Government/Branch/Legislative/Procedure/Parliamentary/out of order
out of phase /5/Physics/Kinetics/Motion Types/Vibration/vibration kinetics
out, baseball /7/Game/Athletic/Ball/baseball
out, cricket /7/Game/Athletic/Ball/cricket match
outbreeding /4/Biology/Evolution/Reproduction/Mating/breeding
outcast, caste /6/Religion/History/Hinduism/Kanada
outcast, India /6/Linguistics/Languages/Sanskrit/Person/Caste/pariah
outcome utilitarianism /6/Economics/History/Macroeconomics/Sen A
outcome, meaning /6/Linguistics/History/Semantics/Neurath O
outcome, study /4/Medicine/Medical Treatments/Medical Testing/outcome
Outer Banks /6/Geography/Land/Shoal/Outer Banks
outer content /3/Calculus/Analysis/Theorem/content theory
outer core /5/Earth Science/Planet/Layers/Core/outer core
outer corona /5/Astronomy/Star/Sun/Layers/K corona
outer ear /1/Consciousness/Sense/Hearing/Anatomy/Ear/Outer Ear/outer ear
Outer Mongolia /6/Geography/Political/Country/Asia/East Asia/Outer Mongolia
outer neocortex development /4/Zoology/Development/Stages/Gestation/Fetus 156 Day/outer neocortex development
outer product /3/Calculus/Vector/Operations/Product/cross product
outer sense /6/Philosophy/History/Mind/Kant I
outer sense, Locke /6/Philosophy/History/Mind/Locke J
outer voices /4/Medicine/Disease/Kinds/Organ/Nerve/Mental/Schizophrenia/hallucination in schizophrenia
outgas /5/Earth Science/Mineral/outgas
outlet tester /7/Machine/Tool/Electrical/Tester/outlet tester
outlier /5/Chemistry/Biochemistry/Drug/Selection/outlier
outlier algorithms /3/Computer Science/Systems/Computer Vision/Algorithms/Clustering/outlier algorithms
outline font /3/Computer Science/Software/Graphics/computer graphics
Outline of Knowledge Database /0/Outline Of Knowledge/Outline of Knowledge
outline, writing /6/Education/Writing/outline
out-of-Africa hypothesis /4/Biology/Evolution/Classification/Levels/Race/out-of-Africa hypothesis
out-of-body experience /1/Consciousness/States/Hallucination/out-of-body experience
out-of-the-body experience /1/Consciousness/States/Hallucination/out-of-body experience
out-patient /6/Linguistics/Languages/English/Noun/People/Profession/out-patient
output file /3/Computer Science/Software/Data Hierarchy/file of data
output generation /6/Philosophy/Mind/Theories/Connectionism/wake-sleep algorithm
output interference /6/Psychology/Cognition/Memory/Interference/output interference
output line /3/Computer Science/Hardware/Input-Output/line of computer
output, computer /3/Computer Science/Hardware/Input-Output/output of computer
output, economics /6/Economics/Microeconomics/Production/output in economics
outré /6/Linguistics/Languages/French/Adjective/outre
outrider /6/Linguistics/Languages/English/Noun/People/Profession/outrider
outrigger /7/Machine/Transportation/Vehicle/Boat/Kinds/outrigger
outside government /6/Political Science/International Relations/Kinds/Control/outside government
outside sense, field /1/Consciousness/Sense/Field/outside sense
outside sense, perception /6/Psychology/Cognition/Perception/perception
outside universe /5/Astronomy/Universe/Cosmology/outside universe
outsourcing /6/Economics/Microeconomics/Business/outsourcing
outstrip /6/Linguistics/Languages/English/Verb/Movement/outstrip
outtake /2/Movie/Equipment/Film/outtake
outwork /7/Military Affairs/Protection/outwork
ouvert /6/Linguistics/Languages/French/Adjective/ouvert
ouvre /6/Linguistics/Languages/French/Adjective/ouvre
ouvre-boîte /6/Linguistics/Languages/French/Noun/House/ouvre-boite
ouzo /7/Food/Drink/Alcoholic/Liqueur/ouzo
ov- /6/Linguistics/Languages/English/Affix/Prefix/ov-
ova /4/Zoology/Organ/Reproduction/Female/Egg/ovum
oval window, hearing /1/Consciousness/Sense/Hearing/Anatomy/Cochlea/Window/oval window in ear
oval window, heart /4/Zoology/Organ/Reproduction/Birth/oval window in heart
Ovambo /6/History/Ethnic Groups/Africa/Ovambo group
ovary, gland /4/Zoology/Organ/Endocrine Gland/Glands/ovary gland
ovary, gonad /4/Zoology/Organ/Reproduction/Female/Parts/ovary in animal
ovate /6/Linguistics/Languages/English/Adjective/Space/ovate
ovejuna /6/Linguistics/Languages/Spanish/Noun/ovejuna
oven, chemistry /5/Chemistry/Analytical Chemistry/Laboratory Equipment/oven
oven, cooking /7/Machine/Kinds/Electric/Heat/Oven/electric oven
ovenbird /4/Zoology/Kinds/Bird/Kinds/Songbird/Warbler/ovenbird
over- /6/Linguistics/Languages/English/Affix/Prefix/over-
over the top /2/Dance/Kinds/USA/tap dance
over, cricket /7/Game/Athletic/Ball/cricket match
overblown /6/Linguistics/Languages/English/Adjective/State/Bad/overblown
overburden /7/Machine/Kinds/Mechanical/dragline
overcome /6/Linguistics/Languages/English/Verb/overcome
overcompensate /6/Linguistics/Languages/English/Verb/Intransitive/overcompensate
overcompensation /3/Computer Science/System Analysis/Controls/Feedback/feedback mechanism
overdetermination /6/Philosophy/Epistemology/System Properties/overdetermination
overdetermined system /3/Algebra/Equation/System/determinative system
overdraft /7/Financial Affairs/Banking/Checking/overdraft
overdrive /7/Machine/Kinds/Transmission/overdrive
overdriven harmonics /5/Physics/Wave/distortion
overextension /4/Zoology/Development/Stages/Infant 12.0-24.0 Months/chain complex nucleus
overflow, sink /7/Legal Affairs/Property/Housing/Emergency/sink stoppage
overflow, toilet /7/Legal Affairs/Property/Housing/Emergency/toilet stoppage
overgeneralization /3/Logic/Fallacy/Irrelevance/overgeneralization
overheating /7/Personal Affairs/Health/First Aid/overheating
overlap, sound /2/Movie/Techniques/overlap
overlaying /3/Computer Science/Software/Programming/Architecture/overlaying in software
overlearning /6/Psychology/Cognition/Learning/overlearning
overload /7/Machine/Kinds/Electric/Fuse/fuse
overlord /6/Linguistics/Languages/English/Noun/People/Profession/overlord
overman /6/Philosophy/History/Mind/Nietzsche F
overproduction /6/Philosophy/History/Ethics/Marx K
oversampling DAC /3/Computer Science/Hardware/Data Conversion/pulse-width modulation
oversimplification /3/Logic/Fallacy/Deduction/oversimplification
overstate /6/Linguistics/Languages/English/Verb/Communication/overstate
overstatement /2/Literature/Rhetoric/Hyperbole/hyperbole
overt /6/Linguistics/Languages/English/Adjective/State/overt
overt attentional shift /6/Psychology/Cognition/Attention/attentional shift
overt misdirection /7/Game/magic trick
over-the-counter /7/Financial Affairs/Investing/Stock/stock as investment
overtone /5/Physics/Wave/Superposition/Resonance/harmonic wave
overture /2/Music/Classical/Composition Types/Opera/overture
overvoltage /5/Chemistry/Analytical Chemistry/Electricity/overvoltage
overweening /6/Linguistics/Languages/English/Adjective/Personal Trait/Bad/overweening
ovi- /6/Linguistics/Languages/English/Affix/Prefix/ov-
oviduct /4/Zoology/Organ/Reproduction/Female/Parts/Fallopian tube
oviparous /4/Zoology/Organ System/Reproductive System/oviparous
ovipositor /4/Zoology/Kinds/Arthropod/Insect/ovipositor
ovo- /6/Linguistics/Languages/English/Affix/Prefix/ov-
ovoid /6/Linguistics/Languages/English/Adjective/Space/ovoid
ovoviparous /4/Zoology/Organ System/Reproductive System/ovoviparous
ovulate /6/Linguistics/Languages/English/Verb/Intransitive/ovulate
ovulation /4/Zoology/Organ/Endocrine Gland/Menstruation/ovulation
ovule /4/Botany/Plant/Vascular/Angiosperm/Flower/Parts/Pistil/ovule
ovum /4/Zoology/Organ/Reproduction/Female/Egg/ovum
owl symbol /6/Linguistics/Writing/Symbol/Animal/owl symbol
owl, bird /4/Zoology/Kinds/Bird/Kinds/Raptor/Owl/owl
ownership incidents /7/Legal Affairs/Death/Will/People/executor of will
ownership rights /6/Political Science/Rights/Needs/Property/ownership rights
ox /4/Zoology/Kinds/Artiodactyla/Cow/Bos/ox
ox domestication /6/History/History/Invention/Asia/Middle East/ox domestication
oxalic acid /5/Chemistry/Organic/Chemical/Carboxylic Acid/Kinds/dicarboxylic acid
oxalis /4/Botany/Plant/Kinds/Flower/Oxalidaceae/oxalis
oxazole /5/Chemistry/Organic/Chemical/Oxygen/Ether/oxazole
oxazolidinone /4/Medicine/Drug/Kinds/Antibiotic/Bacteria/oxazolidinone
oxblood /6/Linguistics/Languages/English/Noun/Color/oxblood
oxbow /7/Machine/Kinds/Mechanical/Yoke/oxbow
Oxford /6/Geography/Political/City/Europe/England/Oxford city
oxford /7/Personal Affairs/Clothing/Shoe/oxford shoe
oxford cloth /7/Personal Affairs/Fabric/Weave/Thick/oxford cloth
oxidation /5/Chemistry/Inorganic/Oxidation-Reduction/oxidation
oxidation number /5/Chemistry/Inorganic/Oxidation-Reduction/oxidation number
oxidation, carbohydrate /5/Chemistry/Biochemistry/Carbohydrate/Chemical Reaction/oxidation of carbohydrate
oxidation-reduction reaction /5/Chemistry/Inorganic/Oxidation-Reduction/oxidation-reduction
oxidation-reduction titration /5/Chemistry/Analytical Chemistry/Electricity/oxidation-reduction titration
oxidative phosphorylation /5/Chemistry/Biochemistry/Carbohydrate/Chemical Reaction/oxidative phosphorylation
oxide mineral /5/Earth Science/Mineral/Kinds/Oxides/oxide mineral
oxidized sugar /5/Chemistry/Biochemistry/Carbohydrate/Chemical Reaction/oxidation of carbohydrate
oxidizing agent /5/Chemistry/Inorganic/Oxidation-Reduction/Agent/oxidizing agent
oxime /5/Chemistry/Organic/Chemical/Nitrogen/oxime
oxirane /5/Chemistry/Organic/Chemical/Oxygen/epoxy compound
Oxonian /6/History/Ethnic Groups/Europe/North Europe/Oxonian group
oxonium ion /5/Chemistry/Organic/Chemical/Alcohol/alkyloxonium ion
oxtail /7/Food/Animal/Meat/oxtail
Oxus River /6/Geography/Water/River/Asia/Oxus River
oxy- /5/Chemistry/Organic/Chemical/Carbonyl/oxy-
oxygen /5/Chemistry/Inorganic/Chemical/Element/Elements/oxygen gas
oxygen cycle /5/Chemistry/Biochemistry/Chemical Cycle/oxygen cycle
oxygen debt /4/Zoology/Organ/Muscle/oxygen debt
oxymoron /2/Literature/Rhetoric/Irony/oxymoron
oxytocin /4/Zoology/Organ/Endocrine Gland/Hormone/Sex/oxytocin
oxytone /6/Linguistics/Phonetics/Modulation/Accent/Word/oxytone
oxytonic language /6/Linguistics/Phonetics/Modulation/Accent/Word/oxytone
oyster plant /7/Food/Vegetable/Root/salsify
oyster, food /7/Food/Animal/Meat/Fish/Shellfish/oyster food
oz. /6/Linguistics/Languages/English/Abbreviation/oz.
Ozarks /6/Geography/Land/Mountain Range/Americas/North America/Ozarks
Ozeanische Selbstentgrenzung /1/Consciousness/States/Mystical Experience/oceanic boundary loss
ozone /7/Machine/Industrial Materials/Gas/ozone
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Date Created: 2022.0223