16-letter words containing e, n, r, o
- 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
- biodeterioration — biodegradation.
- bioenvironmental — pertaining to the environment of living organisms: Bioenvironmental engineers seek to reduce air and water pollution.
- bird of ill omen — a person who brings bad news.
- bird's-nest soup — a rich spicy Chinese soup made from the outer part of the nests of SE Asian swifts of the genus Collocalia
- bite your tongue — either of the two fleshy parts or folds forming the margins of the mouth and functioning in speech.
- bitterroot range — range of the Rocky Mountains, along the Ida.-Mont. border: highest peak, c. 11,000 ft (3,353 m)
- 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
- blocked currency — a currency that is not freely convertible because of exchange controls imposed on it
- blow one's cover — to be or serve as a covering for; extend over; rest on the surface of: Snow covered the fields.
- blue dawn-flower — a tropical American vine, Ipomoea acuminata, of the morning glory family, having large, funnel-shaped flowers that turn from blue to pink.
- blue mockingbird — any of several gray, black, and white songbirds of the genus Mimus, especially M. polyglottos, of the U.S. and Mexico, noted for their ability to mimic the songs of other birds.
- blue-ribbon jury — a jury composed of persons having more than ordinary education and presumably exceptional intelligence and perceptiveness, selected by the court on the motion of plaintiff or defendant to try cases of unusual complexity or importance.
- bluegrass region — a region in central Kentucky, famous for its horse farms and fields of bluegrass.
- board and batten — a siding consisting of wide boards or of sheets of plywood set vertically with butt joints covered by battens.
- 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
- bob's your uncle — everything is or will turn out all right
- boeuf bourgignon — casserole of beef, vegetables, herbs, etc, cooked in red wine
- bon gre, mal gre — whether willing or not; willy-nilly.
- bonded warehouse — a warehouse in which dutiable goods are deposited until duty is paid or the goods are cleared for export
- bonhomme richard — the flagship of John Paul Jones.
- boolean-operator — any operation in which each of the operands and the result take one of two values.
- bornholm disease — an epidemic virus infection characterized by pain round the base of the chest
- boston cream pie — a cake of two layers with icing and a creamy filling
- boston tea party — a raid in 1773 made by citizens of Boston (disguised as Indians) on three British ships in the harbour as a protest against taxes on tea and the monopoly given to the East India Company. The contents of several hundred chests of tea were dumped into the harbour
- botanical garden — a place where collections of plants and trees are kept for scientific study and exhibition
- bouches-du-rhone — a department of S central France, in Provence-Alpes-Côte d'Azur region. Capital: Marseille. Pop: 1 883 645 (2003 est). Area: 5284 sq km (2047 sq miles)
- boulogne-sur-mer — a port in N France, on the English Channel. Pop: 44 859 (1999)
- boundary dispute — dispute between neighbours about the boundary between their properties
- bracknell forest — a unitary authority in SE England, in E Berkshire. Pop: 110 100 (2003 est). Area: 109 sq km (42 sq miles)
- branchial groove — one of a series of rudimentary depressions on the surface of the embryo between adjacent branchial arches, homologous to the branchial clefts of gill-breathing ancestral forms.
- branchiopneustic — breathing by means of gills, as certain aquatic insect larvae.
- break new ground — to do something that has not been done before
- break one's back — to overwork or work very hard
- break one's fast — to eat food for the first time after fasting, or for the first time in the day
- break one's neck — to exert oneself greatly, esp by hurrying, in order to do something
- break one's word — to fail to keep one's promise
- break-even point — When a company reaches break-even point, the money it makes from the sale of goods or services is just enough to cover the cost of supplying those goods or services, but not enough to make a profit.
- bred-in-the-bone — firmly instilled or established as if by heredity: the bred-in-the-bone integrity of the school's headmaster.
- bring sb to heel — If you bring someone to heel, you force them to obey you.
- bring to bear on — to cause to have an effect on
- bring to justice — to capture, try, and usually punish (a criminal, an outlaw, etc)
- bristlecone pine — a coniferous tree, Pinus aristata, of the western US, bearing cones with bristle-like prickles: one of the longest-lived trees, useful in radiocarbon dating
- brompton mixture — a mixture of narcotics, tranquilizers, and alcohol, used to kill pain for terminally ill patients
- bronchopneumonia — inflammation of the lungs, originating in the bronchioles
- brother jonathan — the United States or its people: predecessor of Uncle Sam
- brown house moth — a species of micro moth, Hofmannophila pseudospretella, which, although it usually inhabits birds' nests, sometimes enters houses where its larvae can be very destructive of stored fabrics and foodstuffs
- brown-eyed susan — a composite plant, Rudbeckia triloba, of the southeastern U.S., having a single flower with yellow rays darkening to an orange orbrown at the base and a brownish-black disk.
- brussels griffon — one of a Belgian breed of toy dogs having a thick, wiry, reddish-brown coat.