12-letter words containing u, a
- antique shop — a shop where antiques are sold
- antirrhinums — Plural form of antirrhinum.
- antisepalous — facing the sepals or calyx leaf
- antitumoural — acting against or upon tumours
- antitussives — Plural form of antitussive.
- antoninianus — an ancient Roman coin made either of silver or bronze and equal in value to two denarii
- antwerp blue — any of several iron-blue pigments, usually containing a considerable amount of extender.
- anuradhapura — a town in Sri Lanka: ancient capital of Ceylon; site of the sacred bo tree and place of pilgrimage for Buddhists. Pop: 53 151 (2001)
- anuszkiewicz — Richard Joseph, born 1930, U.S. op-art painter.
- anxious seat — a bench near the preacher at revival meetings, for those with a troubled conscience who seek salvation
- anything but — You use anything but in expressions such as anything but quiet and anything but attractive to emphasize that something is not the case.
- anzus treaty — Australia, New Zealand, and the United States, especially as associated in the mutual defense treaty (ANZUS Pact or ANZUS Treaty) of 1952.
- apache plume — a low shrub, Fallugia paradoxa, of the rose family, of southwestern North America, having white flowers and fruit heads of feathery tufts.
- apfelstrudel — apple strudel
- apiculturist — beekeeping, especially on a commercial scale for the sale of honey.
- apocynaceous — of, relating to, or belonging to the Apocynaceae, a family of mostly tropical flowering plants with latex in their stems, including the dogbane, periwinkle, oleander, and some lianas
- appeal court — An appeal court is the same as a Court of Appeal.
- appendicular — relating to an appendage or appendicle
- applausively — in an applausive manner
- apple butter — a jam made from stewed spiced apples
- apple sucker — a small homopterous insect, Psyllia mali, originally of Europe, that is a serious pest of apple crops.
- appoggiatura — an ornament consisting of a nonharmonic note (short or long) preceding a harmonic one either before or on the stress
- appressorium — a flattened hypha of a parasitic fungus that penetrates the host tissues
- appurtenance — a secondary or less significant thing or part
- aqua ammonia — a water solution of ammonia; ammonia water; ammonium hydroxide
- aquacultural — related to aquaculture
- aquaintances — Plural form of aquaintance.
- arabian gulf — an arm of the Arabian Sea, between SW Iran and Arabia. 600 miles (965 km) long.
- arbitrageurs — Plural form of arbitrageur.
- arc spectrum — a spectrum formed from the light produced by an electric arc, characteristic of the gas or vapor through which the arc passes.
- arch support — a rigid support placed inside a shoe so that its molded form fits the arch of the foot and relieves strain on the muscles of the foot while walking, standing, etc.
- arched truss — a truss having an archlike form but unlike a true arch in that it is free to move horizontally at its base, as in expanding or contracting because of temperature changes.
- archesporium — archespore.
- archipallium — (anatomy) The oldest region of the brain's pallium, often considered contiguous with the olfactory cortex, but varying among species. In humans, the archipallium makes up the hippocampus.
- architecture — Architecture is the art of planning, designing, and constructing buildings.
- archosaurian — belonging to or characteristic of the archosaurs
- arenaviruses — Plural form of arenavirus.
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- armour plate — a tough heavy steel, usually containing chromium, nickel, and molybdenum and often hardened on the surface, used for protecting warships, tanks, etc
- armourbearer — One who carries armor for another.
- armoured car — a fast lightly armed and armoured vehicle, mainly used for reconnaissance
- army cutworm — the larva of a noctuid moth, Chorizagrotis auxiliaris, that is a pest of wheat and alfalfa in the Plains states.
- army surplus — used or unused articles of military clothing, equipment, etc previously allocated to or intended for the use of army personnel but now sold off to members of the public
- around about — Around about means approximately.
- arousability — to stimulate sexually.
- arquebusiers — harquebusier.
- arseniferous — Lb geology Containing or producing arsenic.
- arseniureted — combined with arsenic
- arseno group — the bivalent group −As=As−.
- arsino group — the univalent group H 2 As−.