12-letter words containing a, e, m, i
- atomic power — nuclear power.
- audio system — integrated equipment for producing amplified sound, as in a hi-fi or a mobile disco, or as a public-address system on stage
- augmentation — the act of augmenting or the state of being augmented
- augmentative — tending or able to augment
- auto-erotism — the arousal and satisfaction of sexual excitement within or by oneself, as by masturbation.
- autotoxaemia — autointoxication.
- autumn olive — a spiny shrub (Elaeagnus umbellata) of the oleaster family, having leaves covered with silvery or brown scales
- axiom schema — (logic) A formula in the language of an axiomatic system, containing one or more. These metasyntactic variables (or "schematic variables") that stand for terms or subformulae. An example is the Axiom of Comprehension.
- axisymmetric — being symmetrical around an axis
- ayuntamiento — (in Spain) a municipal council
- babe-in-arms — a young baby that has to be carried
- backswimmers — Plural form of backswimmer.
- bainqen lama — Tashi Lama.
- balletomania — passionate enthusiasm for ballet
- bandjermasin — a seaport on the S coast of Borneo, in Indonesia.
- bantamweight — A bantamweight is a boxer who weighs between 51 and 53.5 kilograms, or a wrestler who weighs between 52 and 57 kilograms. A bantamweight is heavier than a flyweight but lighter than a featherweight.
- 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
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- barquisimeto — a city in NW Venezuela. Pop: 1 009 000 (2005 est)
- base jumping — a sport in which a participant parachutes from any of a variety of fixed objects such as high buildings, cliffs, etc
- basketmaking — The construction of baskets, especially by traditional means.
- basmati rice — a variety of long-grain rice with slender aromatic grains, used for savoury dishes
- be damned if — If someone says 'I'm damned if I'm going to do it' or 'I'll be damned if I'll do it', they are emphasizing that they do not intend to do something and think it is unreasonable for anyone to expect them to do it.
- beachcombing — The action of a beachcomber.
- bead molding — bead (def 12).
- beamsplitter — Alternative spelling of beam splitter.
- bear in mind — to remember
- 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)
- bedside lamp — a lamp beside a bed
- 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.
- benchmarking — In business, benchmarking is a process in which a company compares its products and methods with those of the most successful companies in its field, in order to try to improve its own performance.
- 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.
- beta emitter — a radioactive element, either natural or artificial, which changes into another element by emitting a beta particle
- beth midrash — a place where Jews gather to study the Talmud and other religious writings; a small synagogue.
- beth shammai — the school of Jewish legal thought and hermeneutics founded in Jerusalem in the 1st century b.c. by the Jewish teacher Shammai and characterized by an austere or rigid interpretation of Jewish law and tradition.
- beurre manie — butterpaste.
- bicameralism — having two branches, chambers, or houses, as a legislative body.
- bidialectism — proficient in or using two dialects of the same language.
- bilateralism — the practice of being bilateral
- bimillennial — relating to a bimillennium
- biomagnetics — the study of magnetic fields as a form of therapy
- biomagnetism — animal magnetism.
- biomechanics — the study of the mechanics of the movement of living organisms
- biometrician — a person who is knowledgeable about biometry
- biomolecular — relating to a biomolecule
- bismarck sea — an arm of the Pacific Ocean north of New Britain and north-east of New Guinea
- black medick — a small European leguminous plant, Medicago lupulina, with trifoliate leaves, small yellow flowers, and black pods
- blandishment — the act of blandishing; cajolery