15-letter words containing n, i, a, s
- bioastronautics — the study of the effects of space flight on living organisms
- biogasification — the conversion of organic matter into biogas.
- biostatistician — someone who studies or works professionally in the field of biostatistics
- bishop auckland — a town in N England, in central Durham: seat of the bishops of Durham since the 12th century: light industries. Pop: 24 764 (2001)
- bits and pieces — You can use bits and pieces or bits and bobs to refer to a collection of different things.
- 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)
- blast injection — the injection of liquid fuel directly into the cylinder of an internal-combustion engine using a blast of high-pressure air to atomize the spray of fuel
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blindman's buff — a game in which a blindfolded player has to catch and identify another player
- boa constrictor — A boa constrictor is a large snake that kills animals by wrapping itself round their bodies and squeezing them to death. Boa constrictors are found mainly in South and Central America and the West Indies.
- boarding school — A boarding school is a school which some or all of the pupils live in during the school term. Compare day school.
- 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)
- borderline case — a person or thing that is not clearly classifiable as something
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
- bragging rights — notional privileges that are gained by defeating a close rival
- branching rules — rules that are used to break down a complex problem into several smaller problems
- branchiostegous — branchiostegal.
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- breaking strain — the amount of strain that, if applied to a particular material, will cause it to break
- breathing space — A breathing space is a short period of time between two activities in which you can recover from the first activity and prepare for the second one.
- breeding season — the time of year during which animals breed
- brillat-savarin — Anthelme (ɑ̃tɛlm). 1755–1826, French lawyer and gourmet; author of Physiologie du Goût (1825)
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- bronchial tubes — the bronchi or their smaller divisions
- bronze diabetes — hemochromatosis.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- 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)
- building trades — the trades and professions concerned with the creation and finishing of buildings, such as carpenters, plasterers, masons, electricians, etc.
- 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.
- burt l standish — Burt L. pseudonym of Gilbert Patten.
- business casual — a style of casual clothing worn by businesspeople at work instead of more formal attire
- cabinet scraper — a scraper used in preparing a wood surface for sanding.
- cactus geranium — a plant, Pelargonium echinatum, of the geranium family, native to southern Africa, having prickly stipules and white or reddish flowers.
- caernarvonshire — (until 1974) a county of NW Wales, now part of Gwynedd
- cairngorm-stone — smoky quartz.
- caisson disease — decompression sickness
- california rose — a cultivated variety of a bindweed, Calystegia hederacea, having showy, double, rose-colored flowers.
- calliper splint — a splint consisting of two metal rods with straps attached, for supporting or exerting tension on the leg
- canadian forces — the official name for the military forces of Canada
- canadian shield — (in Canada) the wide area of Precambrian rock extending west from the Labrador coast to the basin of the Mackenzie and north from the Great Lakes to Hudson Bay and the Arctic: rich in minerals
- canadian whisky — a blended whisky made in Canada from rye and other grains
- canisterization — the process of putting (something) into a canister or canisters
- cannibalisation — Alternative form of cannibalization.
- cape chelyuskin — a cape in N central Russia, in N Siberia at the end of the Taimyr Peninsula: the northernmost point of Asia
- cape finisterre — a headland in NW Spain: the westernmost point of the Spanish mainland