ontology
The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.
In a subject view, or a world view, the set of conceptual or material things or classes of things that are recognised as existing, or are assumed to exist in context, and their interrelations; in a body of theory, the ontology comprises the domain of discourse, the things that are defined as existing, together with whatever emerges from their mutual implications.
The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe.
A logical system involving theory of classes, developed by Stanislaw Lesniewski (1886-1939).
A structure of concepts or entities within a domain, organized by relationships; a system model.

ontonomies
plural of ontonomy

ontonomy
A philosophy of existence that emphasizes the harmonious coexistence of nonuniform entities.

ontosophy
A comprehensive explanation for being (in contrast to merely a description of being, or a reason for being).

ontotheology
The ontology of God and/or the theology of being; a tradition of philosophical theology first prominent among medieval scholastics, notably Duns Scotus.

ontotype
The hierarchical form of a genotype

onwardness
Progress; advancement.
Forward motion

onyalai
A form of thrombocytopenia found in Central Africa.

onychalgia
pain in the nails or claws.

onychectomies
plural of onychectomy

onychectomy
The surgical removal of a fingernail or toenail.
Surgically remove the distal phalange of each digit of the forefeet of a cat.

onychology
the study of fingernails and toenails

onychophagia
Nail biting.

onychophagy
Nail biting.

onychoschisis
A condition where the nails split into layers.

onychoschizia
Synonym of onychoschisis.

onychotillomania
A compulsion for picking and tearing at one's fingernails or toenails.

onymity
The state of being onymous.

onymization
Synonym of proprialization.

onymizations
plural of onymization

oobleck
A mixture of cornstarch and water with unusual physical properties.

ooblecks
plural of oobleck

oocytectomies
plural of oocytectomy

oocytectomy
The removal of oocytes.

oofamilies
plural of oofamily

oofamily
An ootaxon, equivalent to a family, used to classify fossilised dinosaur eggs

oofbird
Alternative form of oof-bird.

oofiness
The quality of being wealthy.

oogamy
A form of anisogamy (heterogamy) in which the female gamete (e.g. ovum) is significantly larger than the male gamete (sperm) and is non-motile.

oogenera
plural of oogenus

oogeneses
plural of oogenesis

oogenesis
The formation and development of an oocyte or ovum

oogenus
An ootaxon, equivalent to a genus, used to classify fossilised dinosaur eggs

oogeny
oogenesis

ooja
Alternative form of oojah (“thing whose name is unknown”).

oojah
Something whose name is unknown or unimportant; a thingy; a whatsit.

oojahs
plural of oojah

oojamaflip
Something that one does not know the name of.

oojamaflips
plural of oojamaflip

oojar
Alternative spelling of oojah (“thing whose name is unknown”).

oojiboos
plural of oojiboo

oology
The study of birds' eggs.
The hobby or practice of collecting birds' eggs, especially those of wild birds.

oom
An older man, especially an uncle. (Frequently as a respectful form of address.)

oometry
The measurement of eggs.

oomfie
Alternative letter-case form of OOMFie.

oomfies
plural of oomfie

oompahpah
Alternative spelling of oom-pah-pah.
Alternative form of oom-pah.

oompapa
Alternative spelling of oom-pah-pah.

ooms
plural of oom

oopherectomies
plural of oopherectomy

oopherectomy
Oophorectomy.

oophore
A form of some ferns and mosses that bear sexual fruit.

oophores
plural of oophore

oophorocystectomy
Excision of an ovarian cyst.

oopsortunities
plural of oopsortunity

oopsortunity
An accident or mistake that shows itself to be an opportunity.

oospecies
An ootaxon, equivalent to a species, used to classify fossilised dinosaur eggs

oosporogenesis
The sporogenesis of oospores

oostasis
The failure of (typically insect) eggs to form or to develop

ootaxa
plural of ootaxon

ootaxon
Any taxonomic classification of egg fossils

ootaxonomy
The taxonomy of eggs

ootidogenesis
The part of oogenesis leading to the formation of ootids

oowops
plural of oowop

ooziness
The state or condition of being oozy.

opacarophilia
Love of the sunset; attraction (sometimes sexual) to sunsets.

opacification
The action of making something opaque or cloudy.
The act of becoming opaque or cloudy.

opacifications
plural of opacification

opacousness
Opacity.

opalescence
the state of being opalescent
the milky iridescent appearance of a dense transparent medium when it is illuminated by polychromatic visible radiation (such as sunlight) due to local fluctuations in its density and therefore in its refractive index

opalescences
plural of opalescence

opalisation
Alternative form of opalization.

opalisations
plural of opalisation

opalization
The process of making something opalescent, or of converting wood etc into opal.

opalizations
plural of opalization

opamp
Alternative form of op-amp.

opamps
plural of opamp

opanak
A kind of traditional leather shoe worn in Bulgaria, Bosnia and Herzegovina, Croatia, Macedonia and Serbia.

opanci
plural of opanak

opanka
A kind of sandal worn in Eastern Europe.

opankas
plural of opanka

openability
The quality of being openable.

openess
Misspelling of openness.

openhandedness
Alternative form of open-handedness.

openheartedness
Alternative form of open-heartedness.

openmindedness
Alternative form of open-mindedness.

openmouthedness
The state of having the mouth open, especially in astonishment.

openness
Accommodating attitude or opinion, as in receptivity to new ideas, behaviors, cultures, peoples, environments, experiences, etc., different from the familiar, conventional, traditional, or one's own.
The degree to which a person, group, organization, institution, or society exhibits this liberal attitude or opinion.
Lack of secrecy; candour, transparency.
The degree of accessibility to view, use, and modify in a shared environment with legal rights generally held in common and preventing proprietary restrictions on the right of others to continue viewing, using, modifying and sharing.
The degree to which a system operates with distinct boundaries across which exchange occurs capable of inducing change in the system while maintaining the boundaries themselves.

opennesses
plural of openness

openture
Refraining from seeking a resolution or ending for an emotionally difficult experience.

oper
A network operator on IRC.

operafication
The act or process of operafying.

operance
operation; workings (the act of operating or working)

operancy
The quality of being operative.

operatics
exaggerated or overly emotional behaviour; histrionics

operationalisability
Alternative spelling of operationalizability.

operationalisation
Alternative spelling of operationalization.

operationalisations
plural of operationalisation

operationalism
A philosophy that attempts to define all scientific concepts in terms of specified operations or procedures of observation and measurement.

operationalisms
plural of operationalism

operationalities
plural of operationality

operationality
That characteristic of being operational.

operationalizability
The state or characteristic of being capable of being operationalized.

operationalization
The act or process of operationalizing.

operationalizations
plural of operationalization

operationism
The doctrine that the meaning of a term consists of the operation(s) performed in defining it

operationisms
plural of operationism

operativeness
The state or quality of being operative.
The result or product of being operative.

operativenesses
plural of operativeness

operativity
operativeness

operatorship
The office of an operator
The right to operate an oil well