12-letter words containing a, e, r, i, u
- appendicular — relating to an appendage or appendicle
- appressorium — a flattened hypha of a parasitic fungus that penetrates the host tissues
- arbitrageurs — Plural form of arbitrageur.
- archesporium — archespore.
- architecture — Architecture is the art of planning, designing, and constructing buildings.
- arenaviruses — Plural form of arenavirus.
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- arquebusiers — harquebusier.
- arseniferous — Lb geology Containing or producing arsenic.
- arseniureted — combined with arsenic
- articulately — uttered clearly in distinct syllables.
- articulative — relating to articulation
- at a premium — If something is at a premium, it is wanted or needed, but is difficult to get or achieve.
- atmospherium — an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
- attributable — If something is attributable to an event, situation, or person, it is likely that it was caused by that event, situation or person.
- au contraire — on the contrary
- auctioneered — Simple past tense and past participle of auctioneer.
- austronesian — of or relating to Austronesia, its peoples, or their languages
- authorizable — able to be authorized
- auto-erotism — the arousal and satisfaction of sexual excitement within or by oneself, as by masturbation.
- autocritique — the examination of factors guiding one's thoughts, beliefs and actions; self-criticism
- autodiallers — Plural form of autodialler.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- autoreactive — (immunology, medicine) Acting against the organism by which it was produced.
- baluchithere — a hornless rhinoceros of the extinct genus Baluchitherium that inhabited central Asia during the Oligocene and early Miocene epochs: the largest land mammal known.
- bankruptcies — Plural form of bankruptcy.
- barbecue pit — a trench in which wood or charcoal is burned for barbecuing
- barbiturates — any of a group of barbituric acid derivatives, used in medicine as sedatives and hypnotics.
- barium enema — an injection into the rectum of a preparation of barium sulphate, which is opaque to X-rays, before X-raying the lower alimentary canal
- barium oxide — a white or yellowish-white poisonous heavy powder used esp as a dehydrating agent. Formula: BaO
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- basque shirt — a knitted pullover shirt having a crew neck, long or short sleeves, and a pattern of horizontal stripes.
- bearskin rug — the pelt of a bear, used as a rug
- beaumarchais — Pierre Augustin Caron de (pjɛr oɡystɛ̃ karɔ̃ də). 1732–99, French dramatist, noted for his comedies The Barber of Seville (1775) and The Marriage of Figaro (1784)
- beautifuller — (obsolete) Comparative form of beautiful.
- beauty strip — a narrow forest corridor left uncut alongside a road or body of water.
- behaviourism — Behaviourism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- beleaguering — to surround with military forces.
- bella figura — a good impression; fine appearance
- bermuda high — a subtropical high centered near Bermuda.
- bermuda lily — a lily, Lilium longiflorum eximium, having white, funnel-shaped flowers, cultivated especially as an Easter lily.
- beurre manie — butterpaste.
- bi-quarterly — occurring twice in each quarter of a year.
- biarticulate — having two joints, as the antennae of certain insects.
- biauriculate — having two auricles or earlike parts
- billiard cue — a long cue used for playing billiards
- biomolecular — relating to a biomolecule
- birket karun — a lake in N Egypt. 25 miles (40 km) long; about 5 miles (8 km) wide; 90 sq. mi. (233 sq. km).
- biscuit ware — unglazed earthenware
- black-figure — pertaining to or designating a style of vase painting developed in Greece in the 7th and 6th centuries b.c., chiefly characterized by silhouetted figures painted in black slip on a red clay body, details incised into the design, and a two-dimensional structure of form and space.