Glossary · Nouns · A
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TermTypeDefinitionClassificationsUpdated
Area CodenounMWEa number usually of 3 digits assigned to a telephone area as in the United States and Canadaverified
Area of Cardiac DullnessnounMWEa triangular area of the front of the chest (determined by percussion)verified
Arecanounany of several tall tropical palms native to southeastern Asia having egg-shaped nutsverified
Arenanounthe central area of an ancient Roman amphitheater where contests and spectacles were heldverified
Areolanounsmall circular area such as that around the human nipple or an inflamed area around a pimple or insect biteverified
Arerenounlarge west African tree having large palmately lobed leaves and axillary cymose panicles of small white flowers and one-winged seedsverified
Argasidnountick lacking a dorsal shield and having mouth parts on the under side of the headverified
Argemonenounany plant of the genus Argemone having large white or yellow flowers and prickly leaves and stems and podsverified
Argillitenouna sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavagesverified
Argononnounany of the chemically inert gaseous elements of the helium group in the periodic tableverified
Argumentnoun(computer science) a reference or value that is passed to a function, procedure, subroutine, command, or programverified
Argumentationnouna discussion in which reasons are advanced for and against some proposition or proposalverified
Argylenouna covered gravy holder of silver or other metal containing a detachable central vessel for hot water to keep the gravy warmverified
Argyllnouna covered gravy holder of silver or other metal containing a detachable central vessel for hot water to keep the gravy warmverified
Ariditynouna deficiency of moisture (especially when resulting from a permanent absence of rainfall)verified
Aridnessnouna deficiency of moisture (especially when resulting from a permanent absence of rainfall)verified
Arilnounfleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seedverified
Arithmetic MeannounMWEthe sum of the values of a random variable divided by the number of valuesverified
Arithmetic ProgressionnounMWE(mathematics) a progression in which a constant is added to each term in order to obtain the next termverified
Ark ShellnounMWEmarine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surfaceverified
Armed Forces CensorshipnounMWEmilitary censorship of personal communications to or from persons in the armed forcesverified
Armor PlatenounMWEspecially hardened steel plate used to protect fortifications or vehicles from enemy fireverified
Armor PlatingnounMWEspecially hardened steel plate used to protect fortifications or vehicles from enemy fireverified
Armored CarnounMWEan armor-plated truck with strong doors and locks used to transport money or valuablesverified