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Glossary · Nouns · A

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TermTypeDefinitionClassificationsUpdated
Animate ThingnounMWEa living or once living entityverifiedMay 18, 2026
Animated CartoonnounMWEa film made by photographing a series of cartoon drawings to give the illusion of movement when projected in rapid sequenceverifiedMay 18, 2026
Animated OatnounMWEMediterranean oat held to be progenitor of modern cultivated oatverifiedMay 18, 2026
Animatenessnounthe property of being animatedverifiedMay 18, 2026
Animationnounquality of being active or spirited or alive and vigorousverifiedMay 18, 2026
Animatismnounthe attribution of consciousness and personality to natural phenomena such as thunderstorms and earthquakes and to objects such as plants and stonesverifiedMay 18, 2026
Animatornounsomeone who imparts energy and vitality and spirit to other peopleverifiedMay 18, 2026
Animatronicsnounthe construction of robots to look like animals (developed for Disneyland)verifiedMay 18, 2026
Animenouna hard copal derived from an African treeverifiedMay 18, 2026
Animismnounthe doctrine that all natural objects and the universe itself have soulsverifiedMay 18, 2026
Animositynouna feeling of ill will arousing active hostilityverifiedMay 18, 2026
Animusnouna feeling of ill will arousing active hostilityverifiedMay 18, 2026
Anionnouna negatively charged ionverifiedMay 18, 2026
Anionic CompoundnounMWEa compound characterized by an active anionverifiedMay 18, 2026
Anionic DetergentnounMWEa class of synthetic detergents in which the molecules do not ionize in aqueous solutionsverifiedMay 18, 2026
Anisenounnative to Egypt but cultivated widely for its aromatic seeds and the oil from them used medicinally and as a flavoring in cookeryverifiedMay 18, 2026
Anise CookienounMWEcookie made without butter and flavored with anise seedverifiedMay 18, 2026
Anise HyssopnounMWEmuch-branched North American herb with an odor like fennelverifiedMay 18, 2026
Anise PlantnounMWEnative to Egypt but cultivated widely for its aromatic seeds and the oil from them used medicinally and as a flavoring in cookeryverifiedMay 18, 2026
Anise SeednounMWEliquorice-flavored seeds, used medicinally and in cooking and liquorsverifiedMay 18, 2026
Anise TreenounMWEany of several evergreen shrubs and small trees of the genus IlliciumverifiedMay 18, 2026
Aniseednounliquorice-flavored seeds, used medicinally and in cooking and liquorsverifiedMay 18, 2026
Aniseikonianounvisual defect in which the shape and size of an ocular image differ in the two eyesverifiedMay 18, 2026
Anisettenounliquorice-flavored usually colorless sweet liqueur made from aniseedverifiedMay 18, 2026
Anisette De BordeauxnounMWEliquorice-flavored usually colorless sweet liqueur made from aniseedverifiedMay 18, 2026
Anisogametenouneither of a pair of unlike gametes especially those unlike in sizeverifiedMay 18, 2026
Anisogamynoun(biology) reproduction by the union or fusion of two differing gametes (especially differing in size)verifiedMay 18, 2026
Anisometropianoundifference in the refractive power of the two eyesverifiedMay 18, 2026
Anisotropynounthe property of being anisotropicverifiedMay 18, 2026
Anjounouna pear with firm flesh and a green skinverifiedMay 18, 2026
Anklenouna gliding joint between the distal ends of the tibia and fibula and the proximal end of the talusverifiedMay 18, 2026
Ankle BracenounMWEa brace worn to strengthen the ankleverifiedMay 18, 2026
Ankle JointnounMWEa gliding joint between the distal ends of the tibia and fibula and the proximal end of the talusverifiedMay 18, 2026
Anklebonenounthe bone in the ankle that articulates with the leg bones to form the ankle jointverifiedMay 18, 2026
Ankletnouna shoe for a child or woman that has a strap around the ankleverifiedMay 18, 2026
Ankusnounan elephant goad with a sharp spike and a hookverifiedMay 18, 2026
Ankyloglossianouna congenital anomaly in which the mucous membrane under the tongue is too short limiting the mobility of the tongueverifiedMay 18, 2026
Ankylosaurnounhaving the back covered with thick bony platesverifiedMay 18, 2026
Ankylosaurusnounhaving the back covered with thick bony platesverifiedMay 18, 2026
Ankylosing SpondylitisnounMWEa chronic form of spondylitis primarily in males and marked by impaired mobility of the spineverifiedMay 18, 2026
Ankylosisnounabnormal adhesion and rigidity of the bones of a jointverifiedMay 18, 2026
Anlagenounan organ in its earliest stage of developmentverifiedMay 18, 2026
Annanouna former copper coin of Pakistan and IndiaverifiedMay 18, 2026
Annalistnouna historian who writes annalsverifiedMay 18, 2026
Annalsnouna chronological account of events in successive yearsverifiedMay 18, 2026
Annealingnounhardening something by heat treatmentverifiedMay 18, 2026
Annelid WormnounMWEworms with cylindrical bodies segmented both internally and externallyverifiedMay 18, 2026
Annexanounaccessory or adjoining anatomical parts or appendages to an organ (especially of the embryo)verifiedMay 18, 2026
Annexationnounthe formal act of acquiring something (especially territory) by conquest or occupationverifiedMay 15, 2026
Annihilationnoundestruction by annihilating somethingverifiedMay 18, 2026
Annihilatornouna total destroyerverifiedMay 18, 2026
Anniversarynounthe date on which an event occurred in some previous year (or the celebration of it)verifiedMay 18, 2026
Annonnounsweet pulpy tropical fruit with thick scaly rind and shiny black seedsverifiedMay 18, 2026
Annotatingnounthe act of adding notesverifiedMay 18, 2026
Annotationnoun[the act of] mak[ing] or furnish[ing] critical or explanatory notes or commentArtifactMay 18, 2026
Annotatornouna commentator who writes notes to a textverifiedMay 18, 2026
Announcementnouna public statement containing information about an event that has happened or is going to happenverifiedMay 18, 2026
Announcernounreads news, commercials on radio or televisionverifiedMay 18, 2026
Annoyancenounthe psychological state of being irritated or annoyedverifiedMay 18, 2026
Annoyernounsomeone given to teasing (as by mocking or stirring curiosity)verifiedMay 18, 2026
Annual FernnounMWEsmall short-lived fern of Central and South AmericaverifiedMay 18, 2026
Annual ParallaxnounMWEthe parallax of a celestial body using two points in the earth's orbit around the sun as the baselineverifiedMay 18, 2026
Annual RingnounMWEan annual formation of wood in plants as they growverifiedMay 18, 2026
Annual Salt-Marsh AsternounMWEa variety of asterverifiedMay 18, 2026
Annualrynounthe third finger (especially of the left hand)verifiedMay 18, 2026
Annuitantnounthe recipient of an annuityverifiedMay 18, 2026
Annuitynounincome from capital investment paid in a series of regular paymentsverifiedMay 18, 2026
Annuity in AdvancenounMWEan annuity paid in a series of more or less equal payments at the beginning of equally spaced periodsverifiedMay 18, 2026
Annular EclipsenounMWEonly a thin outer disk of the sun can be seenverifiedMay 18, 2026
Annular ScotomanounMWEa circular scotoma surrounding the center of the field of visionverifiedMay 18, 2026
Annuletnouna charge in the shape of a circle, in heraldryverifiedMay 18, 2026
Annulmentnoun(law) a formal termination (of a relationship or a judicial proceeding etc)verifiedMay 18, 2026
Annulusnoun(Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collarverifiedMay 18, 2026
Annumnoun(Latin) yearverifiedMay 18, 2026
Annunciationnouna formal public statementverifiedMay 18, 2026
Annunciatornounan indicator that announces which electrical circuit has been active (as on a telephone switchboard)verifiedMay 18, 2026
Anoanounsmall buffalo of the Celebes having small straight hornsverifiedMay 18, 2026
Anodenounthe negatively charged terminal of a voltaic cell or storage battery that supplies currentverifiedMay 18, 2026
Anoestrumnounapplies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrusverifiedMay 18, 2026
Anoestrusnounapplies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrusverifiedMay 18, 2026
Anointernounone who anoints as a religious ceremonyverifiedMay 18, 2026
Anointingnounthe act of applying oil or an oily liquidverifiedMay 18, 2026
Anointing of the SicknounMWEa Catholic sacramentverifiedMay 18, 2026
Anointmentnounthe act of applying oil or an oily liquidverifiedMay 18, 2026
Anolenounsmall arboreal tropical American insectivorous lizards with the ability to change skin colorverifiedMay 18, 2026
Anomalistnounsomeone who has a special interest in exceptional casesverifiedMay 18, 2026
Anomalistic MonthnounMWEperiod between successive perigeesverifiedMay 18, 2026
Anomalistic YearnounMWEtime of the earth's revolution from perihelion to perihelion againverifiedMay 18, 2026
Anomalopsnounfish having a luminous organ beneath eyeverifiedMay 18, 2026
Anomalopteryxnounthe smallest moaverifiedMay 18, 2026
anomalous activitynounMWEAny actions that are outside of what is expected, as measured against what "normally" should be happening, occur.EventMay 9, 2026
Anomalous CommunicationnounMWEcommunication by paranormal meansverifiedMay 18, 2026
anomalous transactionnounMWEA transaction that deviates from the standards, procedures, and processes used to create a transaction.EventRegulatedPCIMay 9, 2026
Anomalousnessnoundeviation from the normal or common order or form or ruleverifiedMay 18, 2026
AnomalynounAnything observed in the documentation or operation of a system that deviates from expectations based on previously verified system, software, or hardware products or reference documents.EventMay 18, 2026
Anomaly-Based DetectionnounMWEThe process of comparing definitions of what activity is considered normal against observed events to identify significant deviations.CapabilityMay 9, 2026
Anomianouninability to name objects or to recognize written or spoken names of objectsverifiedMay 18, 2026
Anomic AphasianounMWEinability to name objects or to recognize written or spoken names of objectsverifiedMay 18, 2026
Anomienounpersonal state of isolation and anxiety resulting from a lack of social control and regulationverifiedMay 18, 2026
Anomynounpersonal state of isolation and anxiety resulting from a lack of social control and regulationverifiedMay 18, 2026