19-letter words containing b, o, u, r
- kingdom of burgundy — a kingdom in E France, established in the early 6th century ad, eventually including the later duchy of Burgundy, Franche-Comté, and the Kingdom of Provence: known as the Kingdom of Arles from the 13th century
- 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.
- louis ii de bourbon — Condé, Prince de.
- 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.
- membership function — fuzzy subset
- 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
- molybdenum trioxide — a white, crystalline, sparingly water-soluble powder, MoO 3 , used chiefly in the manufacture of molybdenum compounds.
- 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)
- mud object oriented — (games) (MOO) One of the many MUD spin-offs (e.g. MUSH, MUSE, and MUX) created to diversify the realm of interactive text-based gaming. A MOO is similar to a MUSH in that the users themselves can create objects, rooms, and code to add to the environment. The most frequently used server software for running a MOO is LambdaMOO but alternatives include WinMOO and MacGoesMOO.
- 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
- next door neighbour — a person who lives in the house, flat, etc, next to one's home
- 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.
- portobello mushroom — a dark mushroom, strong in flavor, having a broad, flat cap that is often grilled and eaten
- 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 letters — the collective body of literary people.
- 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
- sb's spiritual home — your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there
- seminiferous tubule — any of the coiled tubules of the testis in which spermatozoa are produced.
- short-tail business — Short-tail business is insurance business where it is known that claims will be made and settled quickly.
- southern crab apple — a tree, Malus angustifolia, of the eastern U.S., having oblong leaves, fragrant, pink or rose-colored flowers, and small, round, yellow-green fruit.
- standing broad jump — a jump for distance from a standing position.
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- store refurbishment — Store refurbishment happens when a store needs to be redecorated, modernized or the layout changed. The store will often be closed to customers during this time.
- substitution cipher — a cipher that replaces letters of the plain text with another set of letters or symbols.
- subtractive process — a process of color photography in which the colors are formed by combination of cyan, yellow, and magenta lights.
- telescopic umbrella — an umbrella having parts that telescope
- the buck stops here — the ultimate responsibility lies here
- the labour movement — a movement campaigning for the interests of working people, for example for better working conditions, better treatment from employers, etc
- to be headquartered — to be based; to have headquarters (in a place)
- to be running short — If you are running short of something or running low on something, you do not have much of it left. If a supply of something is running short or running low, there is not much of it left.
- to be up shit creek — to be in an extremely bad situation
- to break new ground — If you break new ground, you do something completely different or you do something in a completely different way.
- to bury the hatchet — If two people bury the hatchet, they become friendly again after a quarrel or disagreement.