19-letter words containing o, p, e, n, v
- preferential voting — a system of voting designed to permit the voter to indicate an order of preference for the candidates on the ballot.
- private prosecution — a prosecution started by a private individual rather than by the police
- privatization issue — an issue of shares available for purchase by members of the public when a publicly owned organization is transferred to the private sector
- professional advice — advice given by someone trained in a particular and relevant profession or job
- 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-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
- pseudo-intransitive — denoting an occurrence of a normally transitive verb in which a direct object is not explicitly stated or forms the subject of the sentence, as in Margaret is cooking or these apples cook well
- psychological novel — a novel that focuses on the complex mental and emotional lives of its characters and explores the various levels of mental activity.
- rancho palos verdes — a town in SW California.
- reactive depression — depression occurring in response to some situational stress, as loss of one's job.
- reciprocal leveling — leveling between two widely separated points in which observations are made in both directions to eliminate the effects of atmospheric refraction and the curvature of the earth.
- relative complement — the set of elements contained in a given set that are not elements of another specified set.
- 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
- reserved occupation — in time of war, an occupation from which one will not be called up for military service
- sensory deprivation — the experimental or natural reduction of environmental stimuli, as by physical isolation or loss of eyesight, often leading to cognitive, perceptual, or behavioral changes, as disorientation, delusions, or panic.
- separation negative — Photography. a black-and-white negative of one of the additive primary colors used to form a color image.
- speculative fiction — a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements
- speeding conviction — a conviction for breaking the speed limit while driving a vehicle
- the open university — (in Britain) a university founded in 1969 for mature students studying by television and radio lectures, correspondence courses, local counselling, and summer schools
- the provisional ira — the unofficial faction of the IRA that became increasingly dominant following a split in 1969. The Provisional movement remained committed to a policy of terrorism until its ceasefires of the mid-1990s
- university hospital — a hospital that is affiliated with a university. University hospitals provide clinical education and training to future and current doctors, nurses, and other health professionals, in addition to delivering medical care to patients
- vapor recovery unit — A vapor recovery unit is a system for recovering vapors from inside sealed crude oil or condensate tanks, with a scrubber (= a device for removing unwanted substances) and compressor (= a device that raises pressure).
- velocity microphone — a microphone in which the output varies according to the instantaneous velocity of the air molecules in the incident sound waves.
- vitamin b (complex) — a group of unrelated water-soluble vitamins found in liver, yeast, etc., including: a) vitamin B1 (see thiamine) b) vitamin B2 (see riboflavin) c) vitamin B6 (see pyridoxine) d) nicotinic acid e) pantothenic acid f) biotin g) inositol h) para-aminobenzoic acid i) choline j) folic acid k) vitamin B12 a complex vitamin, C63H90N14O14PCo, containing trivalent cobalt, essential for the normal maturation of erythrocytes, and for normal growth and neurological function, and used esp. in treating pernicious anemia and as an animal feed supplement