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Glossary · Nouns · A

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TermTypeDefinitionClassificationsUpdated
Agenda ItemnounMWEone of the items to be consideredverifiedMay 18, 2026
Agendumnouna list of matters to be taken up (as at a meeting)verifiedMay 18, 2026
Agenesianounimperfect developmentverifiedMay 18, 2026
Agenesisnounimperfect developmentverifiedMay 18, 2026
AgentnounA program acting on behalf of a person or organization.SystemMay 9, 2026
Agent BanknounMWEA member of a bankcard company that agrees to participate in an acquirer's merchant processing program. The agent may be liable for losses incurred on its merchant accounts. An agent is usually a small financial institution that wants to offer merchant processing services as a customer service. Agent banks that only refer merchants to an acquiring financial institution's program are known as referral banks.OrganizationMay 9, 2026
Agent ProvocateurnounMWEa secret agent who incites suspected persons to commit illegal actsverifiedMay 18, 2026
Agent-In-Placenounan operative serving as a penetration into an intelligence targetverifiedMay 18, 2026
Agentive RolenounMWEthe semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clauseverifiedMay 18, 2026
Agerasianounyouthful appearance in an old personverifiedMay 18, 2026
Ageratumnounrhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowersverifiedMay 18, 2026
Agglomerationnounthe act of collecting in a massverifiedMay 18, 2026
Agglomeratornouna device that causes material to gather into rounded ballsverifiedMay 18, 2026
Agglutinating ActivitynounMWEthe coalescing of small particles that are suspended in solutionverifiedMay 18, 2026
Agglutinationnounthe building of words from component morphemes that retain their form and meaning in the process of combiningverifiedMay 18, 2026
Agglutination TestnounMWEa blood test used to identify unknown antigensverifiedMay 18, 2026
Agglutininnounan antibody that causes agglutination of a specific antigenverifiedMay 18, 2026
Agglutinogennounany substance that acts as an antigen to cause agglutinin productionverifiedMay 18, 2026
Aggrandisementnounthe act of increasing the wealth or prestige or power or scope of somethingverifiedMay 18, 2026
Aggrandizementnounthe act of increasing the wealth or prestige or power or scope of somethingverifiedMay 18, 2026
Aggravated AssaultnounMWEa reckless attack with intent to injure seriously, as with a deadly weaponverifiedMay 18, 2026
Aggravationnounaction that makes a problem, a disease, or its symptoms worseverifiedMay 18, 2026
Aggravatornounan unpleasant person who is annoying or exasperatingverifiedMay 18, 2026
Aggregate FruitnounMWEfruit consisting of many individual small fruits or drupes derived from separate ovaries within a common receptacle: e.g. blackberryverifiedMay 18, 2026
Aggregate Short PositionnounMWEThe sum of a Settlement Member's short positions, each such short position expressed in its base currency equivalent and adjusted by the applicable haircut.MetricRegulatedMay 9, 2026
Aggregate Short Position LimitnounMWEIn respect of a Settlement Member, the maximum aggregate short position that such Settlement Member is permitted to incur at any time.RequirementRegulatedAug 30, 2026
Aggregationnounseveral things grouped together or considered as a wholeverifiedMay 18, 2026
Aggregatornouna person who collects thingsverifiedMay 18, 2026
Aggressionnouna feeling of hostility that arouses thoughts of attackverifiedMay 18, 2026
Aggressivenessnouna feeling of hostility that arouses thoughts of attackverifiedMay 18, 2026
Aggressornouna confident assertive person who acts as instigatorverifiedMay 18, 2026
Aggronoun(informal British usage) aggravation or aggressionverifiedMay 18, 2026
Aghanountitle for a civil or military leader (especially in Turkey)verifiedMay 18, 2026
AgilenounA philosophy and methodology used to describe the continuous, iterative process to develop and deliver software and other digital technologies. User requirements and feedback inform incremental development and delivery by developers.ProcessAug 28, 2026
AgilitynounIn IT systems, the ability to rapidly incorporate new technologies or changes to technologies allowing an organization to adapt to changing business needs.CapabilityMay 12, 2026
Agionouna fee charged for exchanging currenciesverifiedMay 18, 2026
Agiotagenouna fee charged for exchanging currenciesverifiedMay 18, 2026
Agismnoundiscrimination against middle-aged and elderly peopleverifiedMay 18, 2026
Agitated DepressionnounMWEa state of clinical depression in which the person exhibits irritability and restlessnessverifiedMay 18, 2026
Agitationnouna state of agitation or turbulent change or developmentverifiedMay 18, 2026
Agitatornounone who agitatesverifiedMay 18, 2026
Agitpropnounpolitical propaganda (especially communist propaganda) communicated via art and literature and cinemaverifiedMay 18, 2026
Agletnounornamental tagged cord or braid on the shoulder of a uniformverifiedMay 18, 2026
Agnailnouna loose narrow strip of skin near the base of a fingernailverifiedMay 18, 2026
Agnathannouneel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct formsverifiedMay 18, 2026
Agnationnounline of descent traced through the paternal side of the familyverifiedMay 18, 2026
Agnomennounan additional name or an epithet appended to a nameverifiedMay 18, 2026
Agnosianouninability to recognize objects by use of the sensesverifiedMay 18, 2026
Agnosticismnounthe disbelief in any claims of ultimate knowledgeverifiedMay 18, 2026
Agonnouna festivity in ancient Greece at which competitors contended for prizesverifiedMay 18, 2026
Agonic LinenounMWEan imaginary line connecting points on the Earth's surface where the magnetic declination is zeroverifiedMay 18, 2026
Agonistnoun(biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reactionverifiedMay 18, 2026
Agonynounintense feelings of sufferingverifiedMay 18, 2026
Agony AuntnounMWEa newspaper columnist who answers questions and offers advice on personal problems to people who write inverifiedMay 18, 2026
Agony ColumnnounMWEa newspaper column devoted to personal problemsverifiedMay 18, 2026
Agoranouna place of assembly for the people in ancient GreeceverifiedMay 18, 2026
Agoraphobianouna morbid fear of open spaces, or a fear of being caught alone in some public placeverifiedMay 18, 2026
Agoutinounagile long-legged rabbit-sized rodent of Central America and South America and the West IndiesverifiedMay 18, 2026
Agranulocytosisnounan acute blood disorder (often caused by radiation or drug therapy) characterized by severe reduction in granulocytesverifiedMay 18, 2026
Agranulosisnounan acute blood disorder (often caused by radiation or drug therapy) characterized by severe reduction in granulocytesverifiedMay 18, 2026
Agraphanounsayings of Jesus not recorded in the canonical GospelsverifiedMay 18, 2026
Agraphianouna loss of the ability to write or to express thoughts in writing because of a brain lesionverifiedMay 18, 2026
agreenounBe in accord; be in agreement.candidateMay 9, 2026
Agreeabilitynouna temperamental disposition to be agreeableverifiedMay 18, 2026
Agreeablenessnounpleasantness resulting from agreeable conditionsverifiedMay 18, 2026
agreementnounAn explicit agreement between a data subject who is the legal owner of their personal information (PI) with someone who has a fiduciary or legal duty to the data subject, such as a parent or legal guardian of a minor, or someone who has a legal power of attorney to act in the place of an original data subject.Record ExampleMay 12, 2026
agreement that specifies how the information flow is enforcednounMWEA formal, documented commitment between two or more organizations — typically an interconnection security agreement (ISA), memorandum of understanding/agreement (MOU/MOA), or data-sharing contract — whose specific purpose is to articulate the technical and policy rules that govern *how* data is permitted to move across an organizational or security-domain boundary and how those rules are actively implemented and verified. Information flow control regulates where information can travel within a system and between systems — in contrast to who is allowed to access the information — and without regard to subsequent accesses to that information. Such an agreement is invoked precisely when two parties operate under different security or privacy policies, because transferring information between systems in different security or privacy domains with different security or privacy policies introduces the risk that such transfers violate one or more domain security or privacy policies. In practice, enforcement includes prohibiting information transfers between connected systems, verifying write permissions before accepting information from another security or privacy domain, employing hardwarRequirementRegulatedSep 1, 2026
Agribusinessnouna large-scale farming enterpriseverifiedMay 18, 2026
Agricultural AgentnounMWEan advisor employed by the government to assist people in rural areas with methods of farming and home economicsverifiedMay 18, 2026
Agricultural LaborernounMWEa person who tills the soil for a livingverifiedMay 18, 2026
Agricultural LabourernounMWEa person who tills the soil for a livingverifiedMay 18, 2026
Agriculturalistnounsomeone concerned with the science or art or business of cultivating the soilverifiedMay 18, 2026
Agriculturenounthe practice of cultivating the land or raising stockverifiedMay 18, 2026
Agriculturistnounsomeone concerned with the science or art or business of cultivating the soilverifiedMay 18, 2026
Agrimonianouna plant of the genus Agrimonia having spikelike clusters of small yellow flowersverifiedMay 18, 2026
Agrimonynouna plant of the genus Agrimonia having spikelike clusters of small yellow flowersverifiedMay 18, 2026
Agrobiologynounthe study of plant nutrition and growth especially as a way to increase crop yieldverifiedMay 18, 2026
Agrologynounscience of soils in relation to cropsverifiedMay 18, 2026
Agromanianounan intense desire to be alone or out in the openverifiedMay 18, 2026
Agronomistnounan expert in soil management and field-crop productionverifiedMay 18, 2026
Agronomynounthe application of soil and plant sciences to land management and crop productionverifiedMay 18, 2026
Agrypnianouna vigil before certain feasts (as e.g. Easter)verifiedMay 18, 2026
Aguanounlargest known toad speciesverifiedMay 18, 2026
Agua ToadnounMWElargest known toad speciesverifiedMay 18, 2026
Aguacatenouna pear-shaped tropical fruit with green or blackish skin and rich yellowish pulp enclosing a single large seedverifiedMay 18, 2026
Aguenounsuccessive stages of chills and fever that is a symptom of malariaverifiedMay 18, 2026
Ague GrassnounMWEcolicroot having a scurfy or granuliferous perianth and white flowersverifiedMay 18, 2026
Ague RootnounMWEcolicroot having a scurfy or granuliferous perianth and white flowersverifiedMay 18, 2026
Agueweednounperennial herb of southeastern United States having white-rayed flower headsverifiedMay 18, 2026
Ahemnounthe utterance of a sound similar to clearing the throatverifiedMay 18, 2026
Ahimsanouna Buddhist and Hindu and especially Jainist doctrine holding that all forms of life are sacred and urging the avoidance of violenceverifiedMay 18, 2026
AInounthe branch of computer science that deal with writing computer programs that can solve problems creativelyverifiedMay 18, 2026
Ai PrinciplesnounMWE[An overarching concept, value, belief, or norm that guides AI development, testing, and deployment across the AI lifecycle. The OECD] identifies five complementary values-based principles for the responsible stewardship of trustworthy AI and calls on AI actors to promote and implement them: inclusive growth, sustainable development and well-being; human-centred values and fairness; transparency and explainability; robustness, security and safety; and accountability.FrameworkAug 28, 2026
Aid StationnounMWE(military) a station located near a combat area for giving first aid to the woundedverifiedMay 18, 2026
Aidenounan officer who acts as military assistant to a more senior officerverifiedMay 18, 2026
Aide-De-Campnounan officer who acts as military assistant to a more senior officerverifiedMay 18, 2026
Aide-Memoirenouna memorandum summarizing the items of an agreement (used especially in diplomatic communications)verifiedMay 18, 2026
Aigletnounornamental tagged cord or braid on the shoulder of a uniformverifiedMay 18, 2026
Aigretnouna long plume, especially one of egret feathers, worn on a hat, or a piece of jewelry in the shape of a plumeverifiedMay 18, 2026
Aigrettenouna long plume (especially one of egret feathers) worn on a hat or a piece of jewelry in the shape of a plumeverifiedMay 18, 2026