19-letter words containing b, a, r, o, u
- corrosive sublimate — mercuric chloride
- cudgel one's brains — to think hard about a problem
- darby and joan club — a club for elderly people
- de broglie equation — the postulate of wave mechanics that a particle of mass m moving at a velocity v will have the properties of a wave of wavelength h / mv (de Broglie wavelength) where h is Planck's constant.
- developable surface — a surface that can be flattened onto a plane without stretching or compressing any part of it, as a circular cone.
- double-helical gear — herringbone gear.
- dry-bulk cargo ship — a ship that carries an unpackaged dry cargo such as coal or grain; bulk carrier
- east dunbartonshire — a council area of central Scotland to the N of Glasgow: part of Strathclyde region from 1975 until 1996: mainly agricultural and residential. Administrative centre: Kirkintilloch. Pop: 106 970 (2003 est). Area: 172 sq km (66 sq miles)
- ebola virus disease — Also called Ebola fever, Ebola hemorrhagic fever, Ebola virus disease. a usually fatal disease, a type of hemorrhagic fever, caused by the Ebola virus and marked by high fever, severe gastrointestinal distress, and bleeding.
- employment tribunal — (in England, Scotland, and Wales) a tribunal that rules on disputes between employers and employees regarding unfair dismissal, redundancy, etc
- february revolution — Russian Revolution (def 1).
- february-revolution — Also called February Revolution. the uprising in Russia in March, 1917 (February Old Style), in which the Czarist government collapsed and a provisional government was established.
- feel strongly about — to have decided opinions concerning
- freeze-frame button — a control button on a remote control device, used to stop a moving image to view it as a still
- goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
- green mountain boys — the members of the armed bands of Vermont organized in 1770 to oppose New York's territorial claims. Under Ethan Allen they won fame in the War of American Independence
- handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
- hydroxybutyric acid — ketone body.
- hydroxydaunorubicin — Doxorubicin.
- incommensurableness — (rare) Incommensurability.
- internal-combustion — of or relating to an internal-combustion engine.
- ipratropium bromide — an anticholinergic bronchodilator, C 20 H 30 BrNO 3 , used in the treatment of chronic bronchitis and in airway obstruction diseases.
- isobutyl propionate — a colorless liquid, C 7 H 14 O 2 , used chiefly as a paint, varnish, and lacquer solvent.
- junior bantamweight — a boxer weighing up to 115 pounds (51.7 kg), between flyweight and bantamweight.
- keyboard instrument — any musical instrument that is played using a keyboard
- language laboratory — a special room or rooms with sound-recording and -reproducing equipment for use by students to practice speaking foreign languages, usually with an instructor monitoring the program.
- logical unit number — (storage) (LUN) A 3-bit identifier used on a SCSI bus to distinguish between up to eight devices (logical units) with the same SCSI ID.
- magnesium carbonate — a white powder, MgCO 3 , insoluble in water and alcohol, soluble in acids, used in dentifrices and cosmetics, in medicine as an antacid, and as a refractory material.
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- mercurial barometer — mercury barometer.
- minimum iron fabric — cloth used to make clothes that require little ironing
- molecular biologist — a specialist in the study of biological phenomena at the molecular level
- mordvinian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- mutual masturbation — the act of two or more people masturbating each other
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- neighbourhood watch — a scheme under which members of a community agree together to take responsibility for keeping an eye on each other's property, as a way of preventing crime
- normal distribution — a theoretical frequency distribution represented by a normal curve.
- olive-backed thrush — Swainson's thrush.
- optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- oxyacetylene burner — a blowpipe for cutting or welding metals at high temperatures
- party-column ballot — Indiana ballot.
- pointe-aux-trembles — a city in S Quebec, in E Canada, N of Montreal, on the St. Lawrence.
- potassium carbonate — a white, granular, water-soluble powder, K 2 CO 3 , used chiefly in the manufacture of soap, glass, and potassium salts.
- profitability study — a study of how much profit a company, organization, etc, makes or how profitable it is
- provably unsolvable — The set or property of problems for which no algorithm at all exists. E.g. the Halting Problem. See also provably difficult.
- pseudo-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- pseudorandom number — (programming) One of a sequence of numbers generated by some algorithm so as to have an even distribution over some range of values and minimal correlation between successive values. Pseudorandom numbers are used in simulation and encryption. They are pseudorandom not random because the sequence eventually repeats exactly and is entirely determined by the initial conditions. One of the simplest algorithms is x[i+1] = (a * x[i] + c) mod m but this repeats after at most m numbers and successive numbers are closely related. Better algorithms generally use more previous numbers to calculate the next number.
- registration number — number on vehicle licence plate
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam