19-letter words containing n, u, b, e, r
- potassium carbonate — a white, granular, water-soluble powder, K 2 CO 3 , used chiefly in the manufacture of soap, glass, and potassium salts.
- provably unsolvable — The set or property of problems for which no algorithm at all exists. E.g. the Halting Problem. See also provably difficult.
- 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.
- public-interest law — a branch of law that often utilizes class-action suits to protect the interest of a large group or of the public at large, as in matters relating to racial discrimination, air pollution, etc.
- rebus sic stantibus — (of the duration of the binding force treaty) for as long as the relevant facts and circumstances remain basically the same.
- redbrick university — any new or little-known university, especially one built since World War II to educate students in industrial regions, emphasizing technical subjects rather than the classics, and often partially supported by government funds.
- 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
- 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.
- spin quantum number — the quantum number that designates the total angular momentum associated with electron spin and has a value of ½ in units of h /2π.
- 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.
- strawberry geranium — a plant, Saxifraga stolonifera (or S. sarmentosa), of the saxifrage family, native to eastern Asia, that has rounded, variegated leaves and numerous threadlike stolons and is frequently cultivated as a houseplant.
- subminiature camera — a very small, palm-sized still camera for taking photographs on 16-millimeter or similar film.
- subnuclear particle — any of the elementary particles, including those that do not exist in stable matter but appear as a result of high-energy collisions of other particles or nuclei.
- subsistence farming — farming whose products are intended to provide for the basic needs of the farmer, with little surplus for marketing.
- substitution cipher — a cipher that replaces letters of the plain text with another set of letters or symbols.
- tarnished plant bug — a bug, Lygus lineolaris, of the family Miridae, that is a common and widely distributed pest of alfalfa and other legumes and of peach and other fruit trees.
- the labour movement — a movement campaigning for the interests of working people, for example for better working conditions, better treatment from employers, etc
- the retail business — the business sector in which goods are sold individually or in small quantities to consumers
- 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 break new ground — If you break new ground, you do something completely different or you do something in a completely different way.
- to turn a blind eye — If you say that someone is turning a blind eye to something bad or illegal that is happening, you mean that you think they are pretending not to notice that it is happening so that they will not have to do anything about it.
- transference number — that fraction of the total electric current that anions and cations carry in passing through an electrolytic solution.
- traveling-wave tube — an electron tube used in microwave communications systems, having an electron beam directed coaxially through a wire helix to produce amplification.
- trouble someone for — to ask someone to pass, hand, give, etc. (something) to one
- turbo-ramjet engine — a combination engine that can be operated as a turbojet or ramjet engine.
- turn a blind eye to — to pretend not to notice or ignore deliberately
- under the banner of — If someone does something under the banner of a particular cause, idea, or belief, they do it saying that they support that cause, idea, or belief.
- united presbyterian — a member of the United Presbyterian Church of North America, founded in Pittsburgh in 1858 by a union of two Presbyterian groups.
- upper carboniferous — Pennsylvanian (defs 2, 4).
- west dunbartonshire — a council area of W central Scotland, on Loch Lomond and the Clyde estuary: corresponds to part of the historical county of Dunbartonshire; part of Strathclyde Region from 1975 to 1996: engineering industries. Administrative centre: Dumbarton. Pop: 92 320 (2003 est). Area: 162 sq km (63 sq miles)
- zero-base budgeting — a process in government and corporate finance of justifying an overall budget or individual budgeted items each fiscal year or each review period rather than dealing only with proposed changes from a previous budget. Abbreviation: ZBB.