15-letter words containing a, n, i, m
- ball ammunition — live small-arms ammunition
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- bar examination — a written examination to determine if one is qualified to practice law in a particular jurisdiction.
- barium titanate — a crystalline ceramic used in capacitors and piezoelectric devices. Formula: BaTiO3
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- basic statement — protocol (def 6).
- basse-normandie — a region of NW France, on the English Channel: consists of the Cherbourg peninsula in the west rising to the Normandy hills in the east; mainly agricultural
- bathing costume — A bathing costume is a piece of clothing that is worn for swimming, especially by women and girls.
- bathing machine — a small hut, on wheels so that it could be pulled to the sea, used in the 18th and 19th centuries for bathers to change their clothes
- bathing-machine — a small bathhouse on wheels formerly used as a dressing room and in which bathers could also be transported from the beach to the water.
- battery farming — the activity of using batteries for raising poultry
- bear animalcule — tardigrade (def 3).
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- bedtime reading — a book, magazine etc read at bedtime
- benefit payment — a payment of money by the government to people who are ill, unemployed, poor or who have children
- billing machine — a business machine used to itemize and total customer accounts, produce bills, post account records, etc.
- binomial series — an infinite series obtained by expanding a binomial raised to a power that is not a positive integer.
- bioaccumulation — the process in which industrial waste, toxic chemicals, etc. gradually accumulate in living tissue
- biomechanically — from a biomechanical point of view
- bit-mapped font — a computer font whose characters are held in memory as series of dots.
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blenheim orange — a type of apple tree bearing gold-coloured apples
- blenheim palace — a palace in Woodstock in Oxfordshire: built (1705–22) by Sir John Vanbrugh for the 1st Duke of Marlborough as a reward from the nation for his victory at Blenheim; gardens laid out by Henry Wise and Capability Brown; birthplace of Sir Winston Churchill (1874)
- blindman's buff — a game in which a blindfolded player has to catch and identify another player
- body mass index — A person's body mass index is a measurement that represents the relationship between their weight and their height.
- bohemian forest — a mountain range between the SW Czech Republic and SE Germany. Highest peak: Arber, 1457 m (4780 ft)
- bookmaking firm — an organization that accepts bets from gamblers and pays out winnings
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- bowel complaint — bowel disease or condition
- brazilian plume — a tropical American plant, Justicia carnea, of the acanthus family, having hairy, prominently veined leaves and a short, dense cluster of purple or pink flowers, grown in greenhouses or outdoors in warm regions.
- britannia metal — an alloy of low melting point consisting of tin with 5–10 per cent antimony, 1–3 per cent copper, and sometimes small quantities of zinc, lead, or bismuth: used for decorative purposes and for bearings
- brompheniramine — a substance, C 16 H 19 BrN 2 , used as an antihistamine in the management of various allergies, as hay fever.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- brown-tail moth — a white moth, Nygmia phaerrhoea, having a brown tuft at the end of the abdomen, the larvae of which feed on the foliage of various shade and fruit trees.
- brownian motion — the irregular motion of small particles suspended in a liquid or a gas, caused by the bombardment of the particles by molecules of the medium: first observed by Robert Brown in 1827.
- buckinghamshire — a county in SE central England, containing the Vale of Aylesbury and parts of the Chiltern Hills: the geographic and ceremonial county includes Milton Keynes, which became an independent unitary authority in 1997. Administrative centre: Aylesbury. Pop (excluding Milton Keynes): 478 000 (2003 est). Area (excluding Milton Keynes): 1568 sq km (605 sq miles)
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- bureau of mines — a division of the Department of the Interior, created in 1910, that studies the nation's mineral resources and inspects mines.
- cabinet meeting — a regular meeting of the cabinet
- cacodaemoniacal — Demonic; evil.
- cactus geranium — a plant, Pelargonium echinatum, of the geranium family, native to southern Africa, having prickly stipules and white or reddish flowers.
- cadmean victory — a victory won with great losses to the victors
- cairngorm-stone — smoky quartz.
- calamine lotion — a soothing lotion containing calamine
- calcium cyanide — a white or grayish-black compound, Ca(CN) 2, used as an insecticide and rodent poison.
- calcium nitrate — a white, deliquescent solid, Ca(NO 3) 2 , used chiefly in the manufacture of fertilizers, fireworks, matches, and explosives.
- california mink — cacomistle.
- call for margin — a demand made by a stockbroker for partial payment of a client's debt due to decreasing value of the collateral