16-letter words containing a, e, r, i
- bartholomeu dias — Bartholomeu [bahr-too-loo-me-oo] /ˌbɑr tʊ lʊˈmɛ ʊ/ (Show IPA), c1450–1500, Portuguese navigator: discoverer of the Cape of Good Hope.
- bashkir republic — a constituent republic of E central Russia, in the S Urals: established as the first Soviet autonomous republic in 1919; rich mineral resources. Capital: Ufa. Pop: 4 012 900 (2002). Area: 143 600 sq km (55 430 sq miles)
- basic dichromate — an orange-red, amorphous, water-insoluble powder, Bi 2 O 3 ⋅2CrO 3 , used chiefly as a pigment in paints.
- basilar membrane — a membrane inside the cochlea that vibrates in response to sound
- basque provinces — an autonomous region of N Spain, comprising the provinces of Álava, Guipúzcoa, and Vizcaya: inhabited mainly by Basques, who retained virtual autonomy from the 9th to the 19th century. Pop: 1 840 700 (2003 est). Area: about 7250 sq km (2800 sq miles)
- bastard culverin — a 16th-century cannon, smaller than a culverin, firing a shot of between 5 and 8 pounds (11 and 17.6 kg).
- batch processing — manufacturing products or treating materials in batches, by passing the output of one process to subsequent processes
- batesian mimicry — mimicry in which a harmless species is protected from predators by means of its resemblance to a harmful or inedible species
- bathroom cabinet — a wall-mounted cabinet in a bathroom, typically with a mirror front and used for the storage of medicines and toiletries
- bayonet practice — drill in the use of a bayonet
- bearing pedestal — an independent support for a bearing, usually incorporating a bearing housing
- bearish tendency — a tendency for share prices to fall
- beauty therapist — a person whose job is to carry out treatments to improve a person's appearance, such as facials, manicures, removal of unwanted hair, etc
- behavior pattern — a recurrent way of acting by an individual or group toward a given object or in a given situation.
- behavior therapy — therapy employing behavior modification
- behavioural sink — a small area in which people or animals live in overcrowded conditions
- belgian tervuren — one of a Belgian breed of medium-sized dogs having a long, straight coat, fawn to mahogany in color, differing from the Belgian sheepdog only in color.
- bells of ireland — an annual garden plant, Moluccella laevis, whose flowers have a green cup-shaped calyx: family Lamiaceae (labiates)
- belted-bias tire — a motor-vehicle tire of the same construction as a bias-ply tire but with an added belt of steel or a strong synthetic material under the tread.
- beneficial owner — a person entitled to receive the profits or proceeds of property
- bermuda triangle — an area in the Atlantic Ocean bounded by Bermuda, Puerto Rico, and Florida where ships and aeroplanes are alleged to have disappeared mysteriously
- beta abstraction — [lambda-calculus] The conversion of an expression to an application of a lambda abstraction to an argument expression. Some subterm of the original expression becomes the argument of the abstraction and the rest becomes its body. E.g. 4+1 --> (\ x . x+1) 4 The opposite of beta abstraction is beta reduction. These are the two kinds of beta conversion.
- bias-belted tire — belted-bias tire.
- bidirectionality — capable of reacting or functioning in two, usually opposite, directions.
- billy goat beard — a man's beard that is long under the chin and shaved elsewhere
- bimetallic strip — a strip consisting of two metals of different coefficients of expansion welded together so that it buckles on heating: used in thermostats, etc
- binary operation — a mathematical operation in which two elements are combined to yield a single result: Addition and multiplication are binary operations on the set of real numbers.
- binomial theorem — a mathematical theorem that gives the expansion of any binomial raised to a positive integral power, n. It contains n + 1 terms: (x + a)n = xn + nxn–1a + [n(n–1)/2] xn–2a2 +…+ (nk) xn–kak + … + an, where (nk) = n!/(n–k)!k!, the number of combinations of k items selected from n
- binuclear family — a social unit composed of an extended family, usually the children and subsequent spouses of divorced parents.
- biodegradability — capable of decaying through the action of living organisms: biodegradable paper; biodegradable detergent.
- biodeterioration — biodegradation.
- bioenvironmental — pertaining to the environment of living organisms: Bioenvironmental engineers seek to reduce air and water pollution.
- bipolar disorder — Bipolar disorder is a mental illness in which a person's state of mind changes between extreme happiness and extreme depression.
- bird in the hand — any warm-blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard-shelled egg.
- bird of paradise — A bird of paradise is a songbird which is found mainly in New Guinea. The male birds have very brightly coloured feathers.
- bird's-eye maple — a cut of sugar maple wood used especially for veneers, having a wavy grain with many dark, circular markings.
- bird-of-paradise — Also called bird-of-paradise flower. any of several plants of the genus Strelitzia, native to southern Africa, especially S. reginae, having a large, showy orange and blue inflorescence.
- birthday present — a gift given to someone on their birthday
- bismarck herring — marinaded herring, served cold
- bitterroot range — range of the Rocky Mountains, along the Ida.-Mont. border: highest peak, c. 11,000 ft (3,353 m)
- blacktailed deer — a mule deer, esp. the subspecies (Odocoileus hemionus columbianus) found from N Calif. to British Columbia
- bleaching powder — a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H2O. It is used in solution as a bleaching agent and disinfectant
- blended learning — the use of both classroom teaching and on-line learning
- blind man's rule — a carpenter's rule having large numbers to permit its reading in dim light.
- blind salamander — any of several North American salamanders, especially of the genera Typhlotriton, Typhlomolge, and Haideotriton, that inhabit underground streams or deep wells and have undeveloped eyes and scant pigmentation.
- bluegrass region — a region in central Kentucky, famous for its horse farms and fields of bluegrass.
- boarding kennels — a place where dog owners can pay to have their dogs looked after while they are away
- boarding officer — a coastguard who boards ships suspected of carrying illegal cargoes or posing a security risk
- bomb calorimeter — a device for determining heats of combustion by igniting a sample in a high pressure of oxygen in a sealed vessel and measuring the resulting rise in temperature: used for measuring the calorific value of foods
- bonhomme richard — the flagship of John Paul Jones.