15-letter words containing a, r, s, o, n
- at short notice — Notice is used in expressions such as 'at short notice', 'at a moment's notice' or 'at twenty-four hours' notice', to indicate that something can or must be done within a short period of time.
- at the controls — If someone is at the controls of a machine or other piece of equipment, they are operating it.
- atrabiliousness — The state or quality of being characterized by melancholy or glumness.
- autofluorescent — Of, pertaining to, or exhibiting autofluorescence.
- autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
- autotransfusion — a process in which a patient receives some of his or her own blood in a transfusion rather than a donor's blood
- autotransplants — Plural form of autotransplant.
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- barbizon school — a group of French painters of landscapes of the 1840s, including Théodore Rousseau, Daubigny, Diaz, Corot, and Millet
- barn conversion — the adaptation of a farm barn into a building serving a different use, such as a house or commercial premises
- barn-door skate — an Atlantic skate, Raja laevis, that grows to a length of 4 feet (1.2 meters) or more.
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- 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
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- beast of burden — A beast of burden is an animal such as an ox or a donkey that is used for carrying or pulling things.
- beef stroganoff — a dish of thin strips of beef cooked with onions, mushrooms, and seasonings, served in a sour-cream sauce
- ben day process — a method of adding texture, shading, or detail to line drawings by overlaying a transparent sheet of dots or any other pattern during platemaking
- beta conversion — (theory) A term from lambda-calculus for beta reduction or beta abstraction.
- binomial series — an infinite series obtained by expanding a binomial raised to a power that is not a positive integer.
- bioastronautics — the study of the effects of space flight on living organisms
- black snakeroot — a tall bugbane, Cimicifuga racemosa, of the buttercup family, of eastern North America, having thin, tapering, toothed or deeply cut leaflets and branched clusters of small, white flowers.
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- 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.
- 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.
- boston massacre — an outbreak (1770) in Boston against British troops, in which a few citizens were killed
- 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
- branchiostegous — branchiostegal.
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- breeding season — the time of year during which animals breed
- 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
- brown-and-serve — requiring only a brief period of browning, as in an oven, before being ready to serve: brown-and-serve rolls.
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- bullnose header — bull header (def 1).
- bullnose-header — Also called bullnose header. a brick having one of the edges across its width rounded for laying as a header in a sill or the like.
- bureau of mines — a division of the Department of the Interior, created in 1910, that studies the nation's mineral resources and inspects mines.
- caernarvonshire — (until 1974) a county of NW Wales, now part of Gwynedd
- cairngorm-stone — smoky quartz.
- california rose — a cultivated variety of a bindweed, Calystegia hederacea, having showy, double, rose-colored flowers.
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- canadian forces — the official name for the military forces of Canada
- canisterization — the process of putting (something) into a canister or canisters
- car transporter — a vehicle for carrying automobiles
- carcinosarcomas — Plural form of carcinosarcoma.