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Glossary · Nouns · A

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TermTypeDefinitionClassificationsUpdated
Advertizementnouna public promotion of some product or serviceverifiedMay 18, 2026
Advertizernounsomeone whose business is advertisingverifiedMay 18, 2026
Advertizingnouna public promotion of some product or serviceverifiedMay 18, 2026
Advertorialnounan advertisement that is written and presented in the style of an editorial or journalistic reportverifiedMay 18, 2026
Advicenouna proposal for an appropriate course of actionverifiedMay 18, 2026
Advice and ConsentnounMWEa legal expression in the United States Constitution that allows the Senate to constrain the President's powers of appointment and treaty-makingverifiedMay 18, 2026
Advisabilitynounthe quality of being advisableverifiedMay 18, 2026
Adviseenounsomeone who receives adviceverifiedMay 18, 2026
Advisementnouncareful considerationverifiedMay 18, 2026
Advisernounan expert who gives adviceverifiedMay 18, 2026
Advisornounan expert who gives adviceverifiedMay 18, 2026
AdvisorynounNotification of significant new trends or developments regarding the threat to the information systems of an organization. This notification may include analytical insights into trends, intentions, technologies, or tactics of an adversary targeting information systems.ArtifactMay 9, 2026
Advisory BoardnounMWEa board appointed to advise the chief administratorverifiedMay 18, 2026
Advisory ServicenounMWEa consulting service in which a CPA develops findings and conclusions and recommendations that are presented to the client for consideration and decision makingverifiedMay 18, 2026
Advocacynounactive support of an idea or cause etc.verifiedMay 18, 2026
Advocatornouna person who pleads for a cause or propounds an ideaverifiedMay 18, 2026
Advowsonnounthe right in English law of presenting a nominee to a vacant ecclesiastical beneficeverifiedMay 18, 2026
AdwarenounA software package that automatically plays, displays or downloads advertising material to a computer after the software is installed on it or while the application is being used Scope Note: In most cases, this is done without any notification to the user or without the user’s consent. The term adware may also refer to software that displays advertisements, whether or not it does so with the user’s consent; such programs display advertisements as an alternative to shareware registration fees. These are classified as adware in the sense of advertising supported software, but not as spyware. Adware in this form does not operate surreptitiously or mislead the user, and it provides the user with a specific service.ThreatMay 9, 2026
Adynamianounlack of strength or vigor (especially from illness)verifiedMay 18, 2026
Adznounan edge tool used to cut and shape woodverifiedMay 18, 2026
Adzenounan edge tool used to cut and shape woodverifiedMay 18, 2026
Adzuki BeannounMWEbushy annual widely grown in China and Japan for the flour made from its seedsverifiedMay 18, 2026
Aeciosporenounspore of a rust fungus formed in an aeciumverifiedMay 18, 2026
Aeciumnounfruiting body of some rust fungi bearing chains of aeciosporesverifiedMay 18, 2026
Aegirnouna high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)verifiedMay 18, 2026
Aegisnounarmor plate that protects the chestverifiedMay 18, 2026
Aeolian HarpnounMWEa harp having strings tuned in unisonverifiedMay 18, 2026
Aeolian LyrenounMWEa harp having strings tuned in unisonverifiedMay 18, 2026
Aeonnoun(Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universeverifiedMay 18, 2026
Aepyornisnounhuge (to 9 ft.) extinct flightless bird of MadagascarverifiedMay 18, 2026
Aerationnounthe act of charging a liquid with a gas making it effervescentverifiedMay 18, 2026
Aeratornounan apparatus for exposing something to the air (as sewage)verifiedMay 18, 2026
Aerial LaddernounMWEmechanically extendible ladderverifiedMay 18, 2026
Aerial Ladder TrucknounMWEa fire engine carrying laddersverifiedMay 18, 2026
Aerial TorpedonounMWEa torpedo designed to be launched from an airplaneverifiedMay 18, 2026
Aerial TramwaynounMWEa conveyance that transports passengers or freight in carriers suspended from cables and supported by a series of towersverifiedMay 18, 2026
Aerialistnounan acrobat who performs in the air (as on a rope or trapeze)verifiedMay 18, 2026
Aeridesnounany orchid of the genus AeridesverifiedMay 18, 2026
Aerienounthe lofty nest of a bird of prey (such as a hawk or eagle)verifiedMay 18, 2026
Aerobaticsnounthe performance of stunts while in flight in an aircraftverifiedMay 18, 2026
Aerobenounan organism (especially a bacterium) that requires air or free oxygen for lifeverifiedMay 18, 2026
Aerobic ExercisenounMWEexercise that increases the need for oxygenverifiedMay 18, 2026
Aerobicsnounexercise that increases the need for oxygenverifiedMay 18, 2026
Aerobiosisnounlife sustained in the presence of air or oxygenverifiedMay 18, 2026
Aerodontalgianounpain in the teeth that results from a change in air pressure (as in flying or mountain climbing)verifiedMay 18, 2026
Aerodromenounan airfield equipped with control tower and hangars as well as accommodations for passengers and cargoverifiedMay 18, 2026
Aerodynamic ForcenounMWEforces acting on airfoils in motion relative to the air (or other gaseous fluids)verifiedMay 18, 2026
Aerodynamic LiftnounMWEthe component of the aerodynamic forces acting on an airfoil that opposes gravityverifiedMay 18, 2026
Aerodynamicsnounthe branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flowverifiedMay 18, 2026
Aeroembolismnounobstruction of the circulatory system caused by an air bubble as, e.g., accidentally during surgery or hypodermic injection or as a complication from scuba divingverifiedMay 18, 2026
Aerofoilnouna device that provides reactive force when in motion relative to the surrounding airverifiedMay 18, 2026
Aerogeneratornoungenerator that extracts usable energy from windsverifiedMay 18, 2026
Aerogramnouna letter sent by air mailverifiedMay 18, 2026
Aerogrammenouna letter sent by air mailverifiedMay 18, 2026
Aerolitenouna stony meteorite consisting of silicate mineralsverifiedMay 18, 2026
Aerologynounmeteorology of the total extent of the atmosphereverifiedMay 18, 2026
Aeromechanicsnounthe branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flowverifiedMay 18, 2026
Aeromedicinenounthe study and treatment of disorders associated with flight (especially with space flight)verifiedMay 18, 2026
Aeronautnounsomeone who operates an aircraftverifiedMay 18, 2026
Aeronautical EngineernounMWEan engineer concerned with the design and construction of aircraftverifiedMay 18, 2026
Aeronautical EngineeringnounMWEthe branch of engineering science concerned with the design and construction of aircraftverifiedMay 18, 2026
Aeronauticsnounthe theory and practice of navigation through air or spaceverifiedMay 18, 2026
Aerophagianounswallowing air (usually followed by belching and discomfort and flatulence)verifiedMay 18, 2026
Aerophilatelynounthe collection and study of airmail stampsverifiedMay 18, 2026
Aerophilenouna lover of aviationverifiedMay 18, 2026
Aerophobianounan irrational fear of air travelverifiedMay 18, 2026
Aerophytenounplant that derives moisture and nutrients from the air and rainverifiedMay 18, 2026
Aeroplanenounan aircraft that has a fixed wing and is powered by propellers or jetsverifiedMay 18, 2026
Aerosolnouna dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)verifiedMay 18, 2026
Aerosol BombnounMWEa dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)verifiedMay 18, 2026
Aerosol CannounMWEa dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)verifiedMay 18, 2026
Aerosol ContainernounMWEa dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)verifiedMay 18, 2026
Aerospacenounthe atmosphere and outer space considered as a wholeverifiedMay 18, 2026
Aerospace EngineernounMWEan engineer of aircraft and space vehiclesverifiedMay 18, 2026
Aerospace MedicinenounMWEthe study and treatment of disorders associated with flight (especially with space flight)verifiedMay 18, 2026
Aeschynanthusnouna plant of the genus Aeschynanthus having somewhat red or orange flowers and seeds having distinctive hairs at base and apexverifiedMay 18, 2026
Aesthesianounmental responsiveness and awarenessverifiedMay 18, 2026
Aesthesisnounan unelaborated elementary awareness of stimulationverifiedMay 18, 2026
Aesthetenounone who professes great sensitivity to the beauty of art and natureverifiedMay 18, 2026
Aestheticiannouna worker skilled in giving beauty treatments, for example manicures and facialsverifiedMay 18, 2026
Aestivationnoun(botany) the arrangement of sepals and petals in a flower bud before it opensverifiedMay 18, 2026
Aethernouna medium that was once supposed to fill all space and to support the propagation of electromagnetic wavesverifiedMay 18, 2026
Aetiologistnouna specialist in the etiology of diseasesverifiedMay 18, 2026
Aetiologynounthe philosophical study of causationverifiedMay 18, 2026
Affabilitynouna disposition to be friendly and approachable; easy to talk toverifiedMay 18, 2026
Affablenessnouna disposition to be friendly and approachable (easy to talk to)verifiedMay 18, 2026
Affairenouna usually secretive or illicit sexual relationshipverifiedMay 18, 2026
Affaire D'honneurnounMWEa prearranged fight with deadly weapons by two people (accompanied by seconds) in order to settle a quarrel over a point of honorverifiedMay 18, 2026
Affairsnouna usually secretive or illicit sexual relationshipverifiedMay 18, 2026
Affectationnouna deliberate pretense or exaggerated displayverifiedMay 18, 2026
affected partynounMWEThis role is focused on contracting parties who are affected by organizational activities. Any individual who is in a contract and is affected by organizational activities should be assigned to this role.IdentityRegulatedMay 9, 2026
Affected RolenounMWEthe semantic role of an entity that is not the agent but is directly involved in or affected by the happening denoted by the verb in the clauseverifiedMay 18, 2026
Affectednessnounthe quality of being false or artificial (as to impress others)verifiedMay 18, 2026
Affectionnouna positive feeling of likingverifiedMay 18, 2026
Affectionatenessnouna quality proceeding from feelings of affection or loveverifiedMay 18, 2026
Affective DisordernounMWEany mental disorder not caused by detectable organic abnormalities of the brain and in which a major disturbance of emotions is predominantverifiedMay 18, 2026
AffenpinschernounEuropean breed of small dog resembling a terrier with dark wiry hair and a tufted muzzleverifiedMay 18, 2026
Afferent FibernounMWEa nerve fiber that carries impulses toward the central nervous systemverifiedMay 18, 2026
Afferent NervenounMWEa nerve that passes impulses from receptors toward or to the central nervous systemverifiedMay 18, 2026
Afferent NeuronnounMWEa neuron conducting impulses inwards to the brain or spinal cordverifiedMay 18, 2026