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Glossary · Nouns · A

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TermTypeDefinitionClassificationsUpdated
Adenouna sweetened beverage of diluted fruit juiceverifiedMay 18, 2026
Adelgidnounany of various insects that feed and form galls on conifersverifiedMay 18, 2026
Adeninenoun(biochemistry) purine base found in DNA and RNAverifiedMay 18, 2026
Adenitisnouninflammation of a gland or lymph nodeverifiedMay 18, 2026
Adenocarcinomanounmalignant tumor originating in glandular epitheliumverifiedMay 18, 2026
Adenohypophysisnounthe anterior lobe of the pituitary bodyverifiedMay 18, 2026
Adenoidectomynounsurgical removal of the adenoidsverifiedMay 18, 2026
Adenomanouna benign epithelial tumor of glandular originverifiedMay 18, 2026
Adenomatous PolypnounMWEa polyp that consists of benign neoplastic tissue derived from glandular epitheliumverifiedMay 18, 2026
Adenomegalynoungland enlargementverifiedMay 18, 2026
Adenomyosarcomanounmalignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable massverifiedMay 18, 2026
Adenomyosisnounthe presence of endometrium elsewhere than in the lining of the uterusverifiedMay 18, 2026
Adenopathynouna glandular disease or enlargement of glandular tissue (especially of the lymph glands)verifiedMay 18, 2026
Adenosinenouna nucleoside that is a structural component of nucleic acidsverifiedMay 18, 2026
Adenosine DeaminasenounMWEan enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammoniaverifiedMay 18, 2026
Adenosine DiphosphatenounMWEan ester of adenosine that is converted to ATP for energy storageverifiedMay 18, 2026
Adenosine MonophosphatenounMWEa nucleotide found in muscle cells and important in metabolismverifiedMay 18, 2026
Adenosine TriphosphatenounMWEa nucleotide derived from adenosine that occurs in muscle tissueverifiedMay 18, 2026
Adenosisnouna disorder of the glands of the bodyverifiedMay 18, 2026
Adenovirusnounany of a group of viruses including those that in humans cause upper respiratory infections or infectious pinkeyeverifiedMay 18, 2026
Adenylic AcidnounMWEa nucleotide found in muscle cells and important in metabolismverifiedMay 18, 2026
Adeptnessnounskillful performance or ability without difficultyverifiedMay 18, 2026
adequacynounSufficient to satisfy a requirement or meet a need.MetricMay 9, 2026
Adequate SecuritynounMWESecurity commensurate with the risk and magnitude of harm resulting from the loss, misuse, or unauthorized access to or modification of information. Note: This includes assuring that information systems operate effectively and provide appropriate confidentiality, integrity, and availability, through the use of cost-effective management, personnel, operational, and technical controls.RequirementRegulatedMay 12, 2026
Adequatenessnounthe quality of being able to meet a need satisfactorily: 'he questioned the adequacy of the usual sentimental interpretation of the Golden Rule'verifiedMay 18, 2026
Ader WaxnounMWEa waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleumverifiedMay 18, 2026
Aderminnouna B vitamin that is essential for metabolism of amino acids and starchverifiedMay 18, 2026
Adesitenoundark greyish extrusive rockverifiedMay 18, 2026
ADHDnouna condition (mostly in boys) characterized by behavioral and learning disordersverifiedMay 18, 2026
Adherencenounthe property of sticking together (as of glue and wood) or the joining of surfaces of different compositionverifiedMay 18, 2026
Adhesionnounthe property of sticking together (as of glue and wood) or the joining of surfaces of different compositionverifiedMay 18, 2026
Adhesion ContractnounMWEa contract that heavily restricts one party while leaving the other free (as some standard form printed contracts)verifiedMay 18, 2026
Adhesive AgentnounMWEa substance that unites or bonds surfaces togetherverifiedMay 18, 2026
Adhesive BandagenounMWEbandage consisting of a medical dressing of plain absorbent gauze held in place by a plastic or fabric tape coated with adhesiveverifiedMay 18, 2026
Adhesive FrictionnounMWEthe friction between a body and the surface on which it moves (as between an automobile tire and the road)verifiedMay 18, 2026
Adhesive MaterialnounMWEa substance that unites or bonds surfaces togetherverifiedMay 18, 2026
Adhesive PlasternounMWEadhesive tape used in dressing woundsverifiedMay 18, 2026
Adhesive TapenounMWEtape coated with adhesiveverifiedMay 18, 2026
Adhesivenessnounthe property of sticking together (as of glue and wood) or the joining of surfaces of different compositionverifiedMay 18, 2026
Adhocracynounan organization with little or no structureverifiedMay 18, 2026
Adiabatic ProcessnounMWE(thermodynamics) any process that occurs without gain or loss of heatverifiedMay 18, 2026
Adiencenoun(psychology) an urge to accept or approach a situation or an objectverifiedMay 18, 2026
Adieunouna farewell remarkverifiedMay 18, 2026
Adiosnouna farewell remarkverifiedMay 18, 2026
Adipic AcidnounMWEa carboxylic acid used in the manufacture of nylonverifiedMay 18, 2026
Adipose CellnounMWEcells composed of fatverifiedMay 18, 2026
Adipose TissuenounMWEa kind of body tissue containing stored fat that serves as a source of energyverifiedMay 18, 2026
Adipose TumornounMWEa tumor consisting of fatty tissueverifiedMay 18, 2026
Adiposenessnounhaving the property of containing fatverifiedMay 18, 2026
Adiposisnounthe property of excessive fatnessverifiedMay 18, 2026
Adipositynounhaving the property of containing fatverifiedMay 18, 2026
Aditnouna nearly horizontal passage from the surface into a mineverifiedMay 18, 2026
Adjacencynounthe attribute of being so near as to be touchingverifiedMay 18, 2026
Adjournmentnounthe act of postponing to another time or placeverifiedMay 18, 2026
Adjudicationnounthe final judgment in a legal proceedingverifiedMay 18, 2026
Adjudicatornouna person who studies and settles conflicts and disputesverifiedMay 18, 2026
AdjunctionnounverifiedMay 15, 2026
Adjurationnouna solemn and earnest appeal to someone to do somethingverifiedMay 18, 2026
adjustnounAlter or regulate so as to achieve accuracy or conform to a standard.ProcessMay 12, 2026
Adjustable SpannernounMWEcan be changed to different settingsverifiedMay 18, 2026
Adjustable WrenchnounMWEcan be changed to different settingsverifiedMay 18, 2026
Adjusternounone who investigates insurance claims or claims for damages and recommends an effective settlementverifiedMay 18, 2026
Adjusting EntrynounMWEan accounting entry made at the end of an accounting period to allocate items between accounting periodsverifiedMay 18, 2026
Adjustmentnounthe process of adapting to something (such as environmental conditions)verifiedMay 18, 2026
Adjustornounone who investigates insurance claims or claims for damages and recommends an effective settlementverifiedMay 18, 2026
Adjutantnounan officer who acts as military assistant to a more senior officerverifiedMay 18, 2026
Adjutant BirdnounMWElarge Indian stork with a military gaitverifiedMay 18, 2026
Adjutant GeneralnounMWEa general's adjutantverifiedMay 18, 2026
Adjutant StorknounMWElarge Indian stork with a military gaitverifiedMay 18, 2026
Admannounsomeone whose business is advertisingverifiedMay 18, 2026
Admassnounthe segment of the public that is easily influenced by mass media (chiefly British)verifiedMay 18, 2026
Administrationnouna method of tending to or managing the affairs of a some group of people (especially the group's business affairs)verifiedMay 18, 2026
Administrative AccountnounMWEA user account with full privileges on a computer.IdentityRestrictedMay 12, 2026
Administrative BodynounMWEa unit with administrative responsibilitiesverifiedMay 18, 2026
Administrative Data ProcessingnounMWEAny operation or set of operations performed on personal data, whether or not by automated meansverifiedMay 18, 2026
Administrative DistrictnounMWEa district defined for administrative purposesverifiedMay 18, 2026
Administrative DivisionnounMWEa district defined for administrative purposesverifiedMay 18, 2026
Administrative HearingnounMWEa hearing that takes place outside the judicial process before hearing examiners who have been granted judicial authority specifically for the purpose of conducting such hearingsverifiedMay 18, 2026
Administrative LawnounMWEthe body of rules and regulations and orders and decisions created by administrative agencies of governmentverifiedMay 18, 2026
Administrative OfficialnounMWEan official of a bureaucracyverifiedMay 18, 2026
administrative responsibilitynounMWEThe day to day management of a system or process, including tasks like creating accounts, updating role assignments, tracking requests, and so forth.ProcessMay 9, 2026
Administrative SafeguardsnounMWEAdministrative actions, policies, and procedures to manage the selection, development, implementation, and maintenance of security measures to protect electronic health information and to manage the conduct of the covered entity's workforce in relation to protecting that information.ControlRegulatedPHIMay 9, 2026
Administrative UnitnounMWEa unit with administrative responsibilitiesverifiedMay 18, 2026
Administratornounthe party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executorverifiedMay 18, 2026
Administrator privilegesnounMWEComputer system access to resources that are unavailable to most users. Administrator privileges permit execution of actions that would otherwise be restricted.RoleMay 9, 2026
Administrivianounthe tiresome but essential details that must be taken care of and tasks that must be performed in running an organizationverifiedMay 18, 2026
Admirabilitynounadmirable excellenceverifiedMay 18, 2026
Admirablenessnounadmirable excellenceverifiedMay 18, 2026
Admiralnounany of several brightly colored butterfliesverifiedMay 18, 2026
Admiraltynounthe department in charge of the navy (as in Great Britain)verifiedMay 18, 2026
Admiralty LawnounMWEthe branch of international law that deals with territorial and international waters or with shipping or with ocean fishery etc.verifiedMay 18, 2026
Admiralty MilenounMWEa former British unit of length equivalent to 6,080 feet (1,853.184 meters)verifiedMay 18, 2026
Admirationnounthe feeling aroused by something strange and surprisingverifiedMay 18, 2026
Admirernounsomeone who admires another person, meaning they are romantically interested verifiedMay 18, 2026
Admissibilitynounacceptability by virtue of being admissibleverifiedMay 18, 2026
Admissionnounan acknowledgment of the truth of somethingverifiedMay 18, 2026
Admission ChargenounMWEthe fee charged for admissionverifiedMay 18, 2026
Admission FeenounMWEthe fee charged for admissionverifiedMay 18, 2026
Admission PricenounMWEthe fee charged for admissionverifiedMay 18, 2026
Admittancenounthe act of admitting someone to enterverifiedMay 18, 2026