12-letter words containing a, r, i, u, m
- acoustimeter — a portable electronic device for measuring noise levels, especially those of traffic.
- acquirements — Plural form of acquirement.
- ad arbitrium — at pleasure; at will.
- adminiculary — Adminicular.
- aldebaranium — (chemistry, obsolete) A rejected name for ytterbium.
- alphanumeric — (of a character set, code, or file of data) consisting of alphabetical and numerical symbols
- amateurishly — In an amateurish or nonprofessional manner.
- ambartsumian — Viktor A(mazaspovich). 1908–96, Armenian astrophysicist, renowned for his description of radio sources as explosions in the core of galaxies
- ambidextrous — Someone who is ambidextrous can use both their right hand and their left hand equally skilfully.
- ambisextrous — Informal. sexually attracted to both sexes; bisexual. used by or suitable for either sex; unisex: ambisextrous hair styles.
- ambulatories — Plural form of ambulatory.
- ambulatorily — By or in terms of walking.
- amentiferous — bearing aments
- aminobutyric — (organic chemistry) Of or pertaining to any of several isomeric univalent radicals in which a hydrogen atom of a butyric radical is replaced by an amino group.
- amphicarpous — producing two kinds of fruit that differ either in form or in time of ripening.
- amphiregulin — (protein) A particular autocrine growth factor.
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- androclinium — clinandrium.
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.
- angra mainyu — the evil spirit who contends against Spenta Mainyu.
- anguilliform — having the shape or form of an eel
- antebrachium — (anatomy) The forearm.
- anti-tumoral — a swollen part; swelling; protuberance.
- antibrachium — (anatomy) alternative spelling of antebrachium.
- anticonsumer — opposed to consumerism
- antirrhinums — Plural form of antirrhinum.
- antitumoural — acting against or upon tumours
- appressorium — a flattened hypha of a parasitic fungus that penetrates the host tissues
- 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.
- 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.
- auction room — a room in a building where auctions take place
- auto-erotism — the arousal and satisfaction of sexual excitement within or by oneself, as by masturbation.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- autorhythmic — That generates its own rhythm.
- 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
- barium x-ray — gastrointestinal series: x-ray examination of the upper or lower gastrointestinal tract after barium sulfate is given rectally (barium enema) or orally as a contrast medium.
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- 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)
- 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.
- 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.
- biomolecular — relating to a biomolecule
- birth trauma — an emotional shock caused by being born.
- brain tumour — a tumour that is situated in the brain
- bumping race — (esp at Oxford and Cambridge) a race in which rowing eights start an equal distance one behind the other and each tries to bump the boat in front
- bur marigold — any plant of the genus Bidens that has yellow flowers and pointed fruits that cling to fur and clothing: family Asteraceae (composites)
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