20-letter words containing r, e, u, b
- keyboard video mouse — (hardware) (KVM) Used to describe a "KVM switch" that allows one keyboard, one video display and one mouse to be switched between two or more computers.
- kluver-bucy syndrome — a syndrome caused by bilateral injury to the temporal lobes and characterized by memory defect, hypersexuality, excessive oral behavior, and diminished fear reactions.
- laboratory equipment — apparatus for scientific research and experiments
- labour-saving device — a machine, gadget, etc, that reduces (human) effort, hard work or labour
- lampbrush chromosome — a chromosome with looped projections resembling a brush
- law of large numbers — the theorem in probability theory that the number of successes increases as the number of experiments increases and approximates the probability times the number of experiments for a large number of experiments.
- look before you leap — be aware of the risks involved in sth
- love's labour's lost — a comedy (1594–95?) by Shakespeare.
- magdeburg hemisphere — one of a pair of hemispherical cups from which air can be evacuated when they are placed together: used to demonstrate the force of air pressure.
- mecklenburg-schwerin — a former state in NE Germany, formed in 1934 from two states (Mecklenburg-Schwerin and Mecklenburg-Strelitz)
- mecklenburg-strelitz — a former state in NE Germany, formed in 1934 from two states (Mecklenburg-Schwerin and Mecklenburg-Strelitz)
- member of the public — a member of the general population
- membranous labyrinth — an intricate combination of paths or passages in which it is difficult to find one's way or to reach the exit. Synonyms: maze, network, web.
- microwave background — a background of microwave electromagnetic radiation with a black-body spectrum discovered in 1965, understood to be the thermal remnant of the big bang with which the universe began
- miliary tuberculosis — tuberculosis in which the bacilli are spread by the blood from one point of infection, producing small tubercles in other parts of the body.
- moreton bay chestnut — an Australian leguminous tree, Castanospermum australe, having thin smooth bark and yellow or reddish flowers: used in furniture manufacture
- neighbourhood warden — a person employed by a local authority to patrol residential areas and deal with antisocial behaviour
- neon lamp (or tube) — a discharge lamp containing neon, that ionizes and glows with a red light (neon light) when an electric current is sent through it: used esp. in advertising signs
- net realizable value — the net value of an asset if it were to be sold, taking into account the cost of making the sale and of bringing the asset into a saleable state
- particulate scrubber — A particulate scrubber is a scrubber in which a liquid is mixed with the gas to collect solids.
- pedro juan caballero — a city in E central Paraguay.
- pentobarbital sodium — a barbiturate drug used in medicine as a sedative and hypnotic. Formula: C11H17N2O3Na
- physical 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)
- pipeline burst cache — (hardware, storage) (PB Cache) A synchronous cache built from pipelined SRAM. A cache in which reading or writing a new location takes multiple cycles but subsequent locations can be accessed in a single cycle. On Pentium systems in 1996, pipeline burst caches are frequently used as secondary caches. The first 8 bytes of data are transferred in 3 CPU cycles, and the next 3 8-byte pieces of data are transferred in one cycle each.
- potassium bichromate — an orange-red, crystalline, water-soluble, poisonous powder, K 2 Cr 2 O 7 , used chiefly in dyeing, photography, and as a laboratory reagent.
- potassium bitartrate — cream of tartar.
- potassium-bitartrate — a white, crystalline, water-soluble powder, C 4 H 5 KO 6 , used chiefly as an ingredient in baking powders and in galvanic tinning of metals. Also called potassium bitartrate, potassium acid tartrate. Compare tartar (def 3).
- prepatellar bursitis — inflammation and swelling of the bursa in front of the kneecap, caused esp by constant kneeling on a hard surface
- prime number theorem — the theorem that the number of prime numbers less than or equal to a given number is approximately equal to the given number divided by its natural logarithm.
- prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
- public lending right — (in Britain) an act of Parliament that directs compensation to an author for the library loan of his or her book.
- public record office — an institution in which official records are stored and kept available for inspection by the public
- pure lambda-calculus — Lambda-calculus with no constants, only functions expressed as lambda abstractions.
- quasi-stellar object — quasar. Abbreviation: QSO.
- queen's remembrancer — (in Great Britain) a judiciary official who collects debts owed to the king.
- receivables turnover — A receivables turnover is a measure of cash flow that is calculated by dividing net credit sales by average accounts receivable.
- recursive subroutine — a subroutine that can call itself as part of its execution
- red badge of courage — a novel (1895) by Stephen Crane.
- reductio ad absurdum — a reduction to an absurdity; the refutation of a proposition by demonstrating the inevitably absurd conclusion to which it would logically lead.
- republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
- ring of the nibelung — Richard Wagner's tetralogy of music dramas: Das Rheingold (completed 1869), Die Walküre (completed 1870), Siegfried (completed 1876), and Götterdämmerung (completed 1876): the cycle was first performed at Bayreuth, 1876.
- roller-blind shutter — curtain shutter.
- rough-legged buzzard — a buzzard, Buteo lagopus, of Europe, Asia, and North America, having feathers covering its legs
- rub sb's nose in sth — To rub someone's nose in something that they do not want to think about, such as a failing or a mistake they have made, means to remind them repeatedly about it.
- rub up the wrong way — to arouse anger (in); annoy
- ruby-crowned kinglet — an olive-gray, American kinglet, Regulus calendula, the male of which has an erectile, ruby crest.
- sb's future lies swh — If you say that someone's future lies in a particular place or activity, you think they will be most successful or happy in that place or doing that activity.
- scream bloody murder — Law. the killing of another human being under conditions specifically covered in law. In the U.S., special statutory definitions include murder committed with malice aforethought, characterized by deliberation or premeditation or occurring during the commission of another serious crime, as robbery or arson (first-degree murder) and murder by intent but without deliberation or premeditation (second-degree murder)
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- shibah asar betammuz — Shivah Asar Betammuz.