13-letter words containing a, e, o
- apperceptions — Plural form of apperception.
- appersonation — the unconscious assumption of the personality characteristics of another, usually well known, person.
- apple blossom — the blossom of an apple tree
- apple of peru — a plant, Nicandra physalodes, of the nightshade family, having large blue flowers.
- apple orchard — an orchard planted with apple trees
- apple-knocker — Northern U.S. a rustic.
- apportionable — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apportionment — the act of apportioning
- appreciations — Plural form of appreciation.
- apprehensions — Plural form of apprehension.
- appropinquate — to approach
- appropriately — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriative — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approval code — An approval code is a PIN or other verification code needed to authorize a payment going through the cash register.
- approximately — close to; around; roughly or in the region of
- approximative — (of a method, description, etc.) giving only an approximation to something.
- april showers — showers falling in April, generally considered a showery month
- aqua ammoniae — ammonia (def 2).
- aqueous humor — a watery fluid in the space between the cornea and the lens of the eye
- arabian horse — one of a breed of horses, raised originally in Arabia and adjacent countries, noted for intelligence, grace, and speed.
- arachnephobia — Misspelling of arachnophobia.
- araeometrical — relating to araeometry
- arboriculture — the cultivation of trees or shrubs, esp for the production of timber
- arc cotangent — the angle, measured in radians, that has a cotangent equal to a given number. Symbol: cot −1. Abbreviation: arc cot.
- archaelogical — Nonstandard spelling of archaeological.
- archaeobotany — the analysis and interpretation of plant remains found at archaeological sites
- archaeologian — (archaic) An archaeologist.
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archaeometric — relating to archaeometry
- archaeopteryx — any of several extinct primitive birds constituting the genus Archaeopteryx, esp A. lithographica, which occurred in Jurassic times and had teeth, a long tail, well-developed wings, and a body covering of feathers
- archaezoology — the analysis and interpretation of animal remains found at archaeological sites
- archeological — of or relating to archaeology.
- archeologists — archaeology.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- archipelagoes — Plural form of archipelago.
- architectonic — denoting, relating to, or having architectural qualities
- argentiferous — containing or bearing silver
- argilliferous — containing or yielding clay
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- aristocracies — Plural form of aristocracy.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- armed robbery — a robbery that is carried out by people carrying guns
- armored cable — an electric cable having a metal protective covering
- armored scale — any of a family (Diaspididae) of scale insects characterized by a hard, waxy secretion that covers the body: many armored scales are serious pests of trees and shrubs
- armour-bearer — a retainer who carried the arms or armour of a warrior
- armour-plated — An armour-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- arroyo grande — a town in SW California.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arshile gorky — Arshile [ahr-sheel] /ˈɑr ʃil/ (Show IPA), (Vosdanig Adoian) 1904–48, American painter, born in Armenia.
- art collector — a person who collects works of art