16-letter words containing a, n, u, d
- 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
- bertrand russell — (person) (1872-1970) A British mathematician, the discoverer of Russell's paradox.
- birthday honours — (in Britain) honorary titles conferred on the official birthday of the sovereign
- black-eyed susan — any of several North American plants of the genus Rudbeckia, esp R. hirta, having flower heads of orange-yellow rays and brown-black centres: family Asteraceae (composites)
- blind man's buff — a game in which a blindfolded person tries to catch and identify the other players
- blind man's rule — a carpenter's rule having large numbers to permit its reading in dim light.
- 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-winged teal — a small North American duck (Anas discors) found on ponds and rivers
- board of inquiry — a group set up to inquire into accidents, etc
- bonded warehouse — a warehouse in which dutiable goods are deposited until duty is paid or the goods are cleared for export
- boundary dispute — dispute between neighbours about the boundary between their properties
- brandenburg gate — the only remaining city gate in Berlin, built by Friedrich Wilhelm II of Prussia in 1788–1791 as a symbol of peace and now one of the city's landmarks
- bread and butter — Something that is the bread and butter of a person or organization is the activity or work that provides the main part of their income.
- bread-and-butter — providing a livelihood or basic source of income; supplying the basic needs of life: a bread-and-butter job; the agency's bread-and-butter account.
- break new ground — to do something that has not been done before
- breeding plumage — the plumage assumed by a male bird during the courtship period, especially in those species that are more colorful at this period.
- british honduras — Belize
- 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.
- bundled software — software sold as part of a package with computers or other hardware or software
- bureau de change — a place where foreign currencies can be exchanged
- busman's holiday — If you have a holiday, but spend it doing something similar to your usual work, you can refer to it as a busman's holiday.
- butenedioic acid — either of two geometrical isomers with the formula HOOCCH:CHCOOH
- caducibranchiate — (of many amphibians, such as frogs) having gills during one stage of the life cycle only
- camborne-redruth — a former (until 1974) urban district in SW England, in Cornwall: formed in 1934 by the amalgamation of the neighbouring towns of Camborne and Redruth. Pop: 39 936 (2001)
- canada bluegrass — a Eurasian grass, Poa compressa, naturalized in North America, having creeping rootstocks and bluish-green leaves.
- canandaigua lake — a lake in W central New York: one of the Finger Lakes.
- captive audience — a group of people who are unable by circumstances to avoid speeches, advertisements, etc
- carbon bisulfide — carbon disulfide
- carbon disulfide — a heavy, volatile, colorless liquid, CS2, highly flammable and poisonous, used as a solvent, insecticide, etc.
- cardiac neurosis — an anxiety reaction characterized by quick fatigue, shortness of breath, rapid heartbeat, dizziness, and other cardiac symptoms, but not caused by disease of the heart.
- cardinal numbers — Also called cardinal numeral. any of the numbers that express amount, as one, two, three, etc. (distinguished from ordinal number).
- cardinal virtues — the most important moral qualities, traditionally justice, prudence, temperance, and fortitude
- careers guidance — advice and information about careers that helps individuals, esp young people, decide on a career and also teaches them how to pursue their chosen career
- cause and effect — You use cause and effect to talk about the way in which one thing is caused by another.
- cause-and-effect — noting a relationship between actions or events such that one or more are the result of the other or others.
- cedar revolution — the popular protests in 2005 that brought down the Lebanese cabinet and prompted Syria to withdraw its troops from Lebanon
- circumstantiated — Simple past tense and past participle of circumstantiate.
- class background — a person's background with reference to social class
- cleaning product — a detergent or other household cleaner
- cloak-and-suiter — a manufacturer or seller of clothing.
- combination drug — a medication comprised of set dosages of two or more separate drugs.
- command guidance — a method of controlling a missile during flight by transmitting information to it
- command language — the language used to access a computer system
- communion sunday — any Sunday on which communion is administered.
- community leader — a leading figure in a community
- conical pendulum — a clock pendulum oscillating in a circle rather than in a straight line.
- consenting adult — a male person over the age of sixteen, who may legally engage in homosexual behaviour in private
- consubstantiated — Simple past tense and past participle of consubstantiate.
- consumer durable — Consumer durables are goods which are expected to last a long time, and are bought infrequently.
- coram non judice — before a court lacking the authority to hear and decide the case in question.