19-letter words containing n, r
- australian tea tree — a shrubby Australian tree, Leptospermum laevigatum, of the myrtle family, having lance-shaped leaves and white, bell-shaped flowers.
- austro-prussian war — the war (1866) in which Prussia, Italy, and some minor German states opposed Austria, Saxony, Hanover, and the states of southern Germany.
- author's alteration — a correction or change made in typeset copy that is not a correction of an error introduced by the compositor. Abbreviation: AA, A.A., a.a., aa.
- autotransplantation — autograft.
- ave regina coelorum — a Latin hymn in honor of the Virgin Mary as Queen of Heaven.
- avogadro's constant — the number of atoms or molecules in a mole of a substance, equal to 6.022 52 × 1023
- awareness programme — a programme designed to increase awareness of something
- baader-meinhof gang — a group of left-wing West German terrorists, active in the 1970s, who were dedicated to the violent overthrow of capitalist society
- bachelor of science — A Bachelor of Science is a first degree in a science subject. In British English, it can also mean a person with that degree. The abbreviation BSc or , BSc is also used.
- bacillary dysentery — shigellosis.
- baja california sur — a state of NW Mexico, in the S part of the Lower California peninsula. Capital: La Paz. Pop: 423 516 (2000). Area: 73 475 sq km (28 363 sq miles)
- balfour declaration — the statement made by Arthur Balfour in 1917 of British support for the setting up of a national home for the Jews in Palestine, provided that the rights of "existing non-Jewish communities" in Palestine could be safeguarded
- bandar seri begawan — the capital of Brunei. Pop: 64 000 (2005 est)
- banff national park — a national reserve, 2585 sq. mi. (6695 sq. km), in the Rocky Mountains, in SW Alberta, Canada.
- bang for one's buck — value for money
- bank reconciliation — A bank reconciliation is the process of adjusting a bank statement to show transactions that have occurred since the date of issue, or a document showing this.
- banker's acceptance — a draft or bill of exchange drawn on a bank and accepted by it
- bankruptcy petition — an official request for protection under bankruptcy laws, which initiates bankruptcy proceedings
- bargaining position — the position of a person, group, or organization in a negotiation, with respect to their ability to achieve a deal which is favourable to themselves
- barometric gradient — pressure gradient
- batterie de cuisine — cooking utensils collectively; pots and pans, etc
- battle-ground state — a state of the U.S. in which the Democratic and Republican candidates both have a good chance of winning and that is considered key to the outcome of a presidential election: the swing states of Ohio and Indiana.
- battles of bull run — two battles fought at Manassas Junction near a stream named Bull Run, during the American Civil War (July, 1861 and August, 1862), in both of which the Federal army was routed by the Confederates
- bbc networking club — (body) A bulletin board run by the British Broadcasting Corporation Education department from April 1994 to 30 Nov 1995.
- be burnt to a crisp — If something is burnt to a crisp, it is completely burnt.
- be greek to someone — to be incomprehensible or unintelligible to someone
- be one's own master — If you say that you are your own master, you mean that your decisions are not controlled by other people and you are free to do what you want.
- be one's own person — a human being, whether an adult or child: The table seats four persons.
- be someone's junior — to be younger than someone
- beauty preparations — the cosmetics, creams etc used to improve someone's beauty
- beggar-my-neighbour — a card game in which one player tries to win all the cards of the other player
- beginning inventory — A beginning inventory is all of the goods, services, or materials that a business has available for use or sale at the start of a new accounting period.
- behavioral genetics — an interdisciplinary field studying the effects of genetics and hereditary factors on animal and human behavior.
- behavioral medicine — an interdisciplinary field that uses the concepts and techniques of the behavioral sciences to improve physical and emotional health.
- behavioural science — the application of scientific methods to the study of the behaviour of organisms
- behind closed doors — If people have talks and discussions behind closed doors, they have them in private because they want them to be kept secret.
- belgian east africa — a former Belgian trust territory in Africa, also (1924–62) Ruanda-Urundi, now the independent countries of Rwanda and Burundi.
- bellybutton surgery — laparoscopy.
- below par/under par — If you feel below par or under par, you feel tired and unable to perform as well as you normally do.
- bend over backwards — to make a special effort, esp in order to please
- benefit performance — a theatrical or musical performance in aid of charity
- bernoulli principle — (Or "air foil principle", after Swiss mathematician Daniel Bernoulli, 1700-1782) The law that pressure in a fluid decreases with the rate of flow. It has been applied to a class of hard disk drives. See Bernoulli Box.
- bernoulli's theorem — Statistics. law of averages (def 1).
- bernstein condition — (parallel) Processes cannot execute in parallel if one effects values used by the other. Nor can they execute in parallel if any subsequent process uses data effected by both, i.e. whose value might depend on the order of execution.
- beta-naphthyl group — See under naphthyl.
- betamethyl acrolein — crotonaldehyde.
- bicarbonate of soda — Bicarbonate of soda is a white powder which is used in baking to make cakes rise, and also as a medicine for your stomach.
- binary large object — (database) (BLOB) A large block of data stored in a database, such as an image or sound file. A BLOB has no structure which can be interpreted by the database management system but is known only by its size and location.
- binding arbitration — dispute resolution
- binocular disparity — the small differences in the positions of the parts of the images falling on each eye that results when each eye views the scene from a slightly different position; these differences make stereoscopic vision possible