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Glossary · Nouns · O

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TermTypeDefinitionClassificationsUpdated
Organization ExpensenounMWEthe cost (over a period of five years) of organizing a new corporation or partnershipverifiedMay 18, 2026
Organization MannounMWEan employee who sacrifices his own individuality for the good of an organizationverifiedMay 18, 2026
Organizational Information Security Continuous MonitoringnounMWEOngoing monitoring sufficient to ensure and assure effectiveness of security controls related to systems, networks, and cyberspace, by assessing security control implementation and organizational security status in accordance with organizational risk tolerance – and within a reporting structure designed to make real-time, data-driven risk management decisions.CapabilityMay 12, 2026
Organizational MaintenancenounMWELimited maintenance performed by a user organization.ProcessMay 9, 2026
organizational objectivenounMWEPerformance targets set by an organization.RequirementMay 12, 2026
Organizational Registration AuthoritynounMWEEntity within the PKI that authenticates the identity and the organizational affiliation of the users.OrganizationRegulatedPIIMay 9, 2026
organizational risk tolerancenounMWEThe level of risk an organization is willing to take in order to achieve a potential desired result.MetricMay 12, 2026
Organizational UsernounMWEAn organizational employee or an individual the organization deems to have equivalent status of an employee (e.g., contractor, guest researcher, individual detailed from another organization, individual from allied nation).IdentityMay 12, 2026
Organized CrimenounMWEunderworld organizationsverifiedMay 18, 2026
Organized LabornounMWEemployees who are represented by a labor unionverifiedMay 18, 2026
Organized ReligionnounMWEan institution to express belief in a divine powerverifiedMay 18, 2026
Organizernouna lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasksverifiedMay 18, 2026
Organonnouna system of principles for philosophic or scientific investigationsverifiedMay 18, 2026
Organophosphatenounan insecticide that interferes with an insect's nervous systemverifiedMay 18, 2026
Organophosphate Nerve AgentnounMWEany of a series of nerve agents containing organophosphate compounds first synthesized by German chemists in 1936verifiedMay 18, 2026
Organzanouna fabric made of silk or a silklike fabric that resembles organdyverifiedMay 18, 2026
Orgasmnounthe moment of most intense pleasure in sexual intercourseverifiedMay 18, 2026
Orgynounsecret rite in the cults of ancient Greek or Roman deities involving singing and dancing and drinking and sexual activityverifiedMay 18, 2026
Orielnouna projecting bay window corbeled or cantilevered out from a wallverifiedMay 18, 2026
Oriel WindownounMWEa projecting bay window corbeled or cantilevered out from a wallverifiedMay 18, 2026
Oriental AlabasternounMWEa hard compact kind of calciteverifiedMay 18, 2026
Oriental BittersweetnounMWEornamental Asiatic vine with showy orange-yellow fruit with a scarlet arilverifiedMay 18, 2026
Oriental Bush CherrynounMWEwoody oriental plant with smooth unfurrowed red fruit grown especially for its white or pale pink blossomsverifiedMay 18, 2026
Oriental CherrynounMWEornamental tree with inedible fruits widely cultivated in many varieties for its white blossomsverifiedMay 18, 2026
Oriental CockroachnounMWEdark brown cockroach originally from orient now nearly cosmopolitan in distributionverifiedMay 18, 2026
Oriental PersonnounMWEa member of an Oriental raceverifiedMay 18, 2026
Oriental PlanenounMWElarge tree of southeastern Europe to Asia MinorverifiedMay 18, 2026
Oriental PoppynounMWEcommonly cultivated Asiatic perennial poppy having stiff heavily haired leaves and bright scarlet or pink to orange flowersverifiedMay 18, 2026
Oriental RoachnounMWEdark brown cockroach originally from orient now nearly cosmopolitan in distributionverifiedMay 18, 2026
Oriental SorenounMWEleishmaniasis of the skinverifiedMay 18, 2026
Oriental SprucenounMWEevergreen tree of the Caucasus and Asia Minor used as an ornamental having pendulous branchletsverifiedMay 18, 2026
Orientalismnounthe quality or customs or mannerisms characteristic of Asian civilizationsverifiedMay 18, 2026
Orientalistnouna specialist in oriental subjectsverifiedMay 18, 2026
Orientationnouna person's awareness of self with regard to position and time and place and personal relationshipsverifiedMay 18, 2026
Orientation CoursenounMWEa course introducing a new situation or environmentverifiedMay 18, 2026
Orificenounan aperture or hole that opens into a bodily cavityverifiedMay 18, 2026
Oriflammenounan inspiring symbol or ideal that serves as a rallying point in a struggleverifiedMay 18, 2026
Origaminounthe Japanese art of folding paper into shapes representing objects (e.g., flowers or birds)verifiedMay 18, 2026
Origanumnounany of various fragrant aromatic herbs of the genus Origanum used as seasoningsverifiedMay 18, 2026
Originnounthe source of something's existence or from which it derives or is derivedverifiedMay 18, 2026
Original SinnounMWEa sin said to be inherited by all descendants of AdamverifiedMay 18, 2026
Originalismnounthe belief that the United States Constitution should be interpreted in the way the authors originally intended itverifiedMay 18, 2026
Originalitynounthe quality of being new and original (not derived from something else)verifiedMay 18, 2026
Originating depository financial institution (ODFI)nounMWEA participating financial institution that originates entries at the request of and by agreement with its originators in accordance with the provisions of the NACHA rules.OrganizationRegulatedMay 9, 2026
Originationnounthe act of starting something for the first timeverifiedMay 18, 2026
Origination FeenounMWEa fee charged to a borrower (especially for a mortgage loan) to cover the costs of initiating the loanverifiedMay 18, 2026
origination functionnounMWEAny of the processes required to initiate an automated clearing house transaction.ProcessRegulatedPCIMay 12, 2026
OriginatornounA person that has authorized an ODFI to transmit a credit or debit entry to the deposit account of a receiver at an RDFI.IdentityMay 9, 2026
Orinasalnouna speech sound produced with both the oral and nasal passages open (as French nasal vowels)verifiedMay 18, 2026
Orinasal PhonenounMWEa speech sound produced with both the oral and nasal passages open, as heard in French nasal vowelsverifiedMay 18, 2026
Oriolenounmostly tropical songbirdverifiedMay 18, 2026
Orisonnounreverent petition to a deityverifiedMay 18, 2026
Orlopnounthe fourth or lowest deckverifiedMay 18, 2026
Orlop DecknounMWEthe fourth or lowest deckverifiedMay 18, 2026
Ormernounan abalone found near the Channel IslandsverifiedMay 18, 2026
Ormolunounbrass that looks like goldverifiedMay 18, 2026
Ornamentalismnounthe practice of ornamental displayverifiedMay 18, 2026
Ornamentalistnounsomeone who decoratesverifiedMay 18, 2026
Ornamentationnounthe act of adding extraneous decorations to somethingverifiedMay 18, 2026
Ornatenessnounan ornate appearanceverifiedMay 18, 2026
Ornerinessnounmeanspirited disagreeable contrarinessverifiedMay 18, 2026
Ornithinenounan amino acid that does not occur in proteins but is important in the formation of ureaverifiedMay 18, 2026
Ornithischiannounherbivorous dinosaur with a pelvis like that of a birdverifiedMay 18, 2026
Ornithischian DinosaurnounMWEherbivorous dinosaur with a pelvis like that of a birdverifiedMay 18, 2026
Ornithologistnouna zoologist who studies birdsverifiedMay 18, 2026
Ornithologynounthe branch of zoology that studies birdsverifiedMay 18, 2026
Ornithomimidnounlightly built medium-sized dinosaur having extremely long limbs and necks with small heads and big brains and large eyesverifiedMay 18, 2026
Ornithopodnounbipedal herbivorous dinosaurverifiedMay 18, 2026
Ornithopod DinosaurnounMWEbipedal herbivorous dinosaurverifiedMay 18, 2026
Ornithopternounheavier-than-air craft that is propelled by the flapping of wingsverifiedMay 18, 2026
Ornithosisnounan atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birdsverifiedMay 18, 2026
Orogenynounthe process of mountain formation (especially by the upward displacement of the earth's crust)verifiedMay 18, 2026
Orographynounthe science of mountainsverifiedMay 18, 2026
Oroidenounalloy of copper and tin and zincverifiedMay 18, 2026
Orologynounthe science of mountainsverifiedMay 18, 2026
Oropharynxnouncavity formed by the pharynx at the back of the mouthverifiedMay 18, 2026
Orphan SitenounMWEa toxic waste area where the polluter could not be identified or the polluter refused to take action or pay for the cleanupverifiedMay 18, 2026
Orphanagenounthe condition of being a child without living parentsverifiedMay 18, 2026
Orphanhoodnounthe condition of being a child without living parentsverifiedMay 18, 2026
Orphans' AsylumnounMWEa public institution for the care of orphansverifiedMay 18, 2026
Orphenadrinenouna skeletal muscle relaxant (trade name Norflex) used to treat severe muscle strain and ParkinsonismverifiedMay 18, 2026
Orphreynouna richly embroidered edging on an ecclesiastical vestmentverifiedMay 18, 2026
Orpimentnouna yellow mineral occurring in conjunction with realgarverifiedMay 18, 2026
Orpinnounperennial northern temperate plant with toothed leaves and heads of small purplish-white flowersverifiedMay 18, 2026
Orpinenounperennial northern temperate plant with toothed leaves and heads of small purplish-white flowersverifiedMay 18, 2026
Orrerynounplanetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelworkverifiedMay 18, 2026
OrrisnounGerman iris having large white flowers with lavender-tinged falls and a fragrant rhizomeverifiedMay 18, 2026
Orrisrootnounfragrant rootstock of various irises especially Florentine irisverifiedMay 18, 2026
Orthiconnouna now obsolete picture pickup tube in a television cameraverifiedMay 18, 2026
Orthoboric AcidnounMWEa white or colorless slightly acid solid that is soluble in water and ethanolverifiedMay 18, 2026
Orthochoreanouna form of chorea in which spasms occur mainly when the patient is erectverifiedMay 18, 2026
Orthochromatic FilmnounMWEa photographic film sensitive to green and blue and violet lightverifiedMay 18, 2026
Orthoclasenouna white or colored monoclinic feldsparverifiedMay 18, 2026
Orthodontianounthe branch of dentistry dealing with the prevention or correction of irregularities of the teethverifiedMay 18, 2026
Orthodontic BracesnounMWEan appliance that corrects dental irregularitiesverifiedMay 18, 2026
Orthodontic TreatmentnounMWEdental treatment that corrects irregularities of the teeth or of the relation of the teeth to surrounding anatomyverifiedMay 18, 2026
Orthodonticsnounthe branch of dentistry dealing with the prevention or correction of irregularities of the teethverifiedMay 18, 2026
Orthodontistnouna dentist specializing in the prevention or correction of irregularities of the teethverifiedMay 18, 2026
Orthodonturenounthe branch of dentistry dealing with the prevention or correction of irregularities of the teethverifiedMay 18, 2026
Orthodox SleepnounMWEa recurring sleep state during which rapid eye movements do not occur and dreaming does not occurverifiedMay 18, 2026