19-letter words containing p, r, o, v, a
- accident prevention — avoidance of the occurrence of an accident
- appetitive behavior — activity that increases the likelihood of satisfying a specific need, as restless searching for food by a hungry predator (distinguished from consummatory behavior).
- contemplative order — a religious order whose members are devoted to prayer rather than works.
- conversational lisp — (language) (CLISP) A mixed English-like, ALGOL-like surface syntax for Interlisp.
- cooperative society — a commercial enterprise owned and managed by and for the benefit of customers or workers
- corporate venturing — the provision of venture capital by one company for another in order to obtain information about the company requiring capital or as a step towards acquiring it
- developable surface — a surface that can be flattened onto a plane without stretching or compressing any part of it, as a circular cone.
- diversional therapy — the structured use of leisure time in recreation and play as a form of or supplement to conventional therapy
- evaporative cooling — a method of reducing temperature that uses evaporation
- eye make-up remover — a product used to remove cosmetics such as mascara and eyeliner
- farmers cooperative — an organization of farmers for marketing their products or buying supplies.
- give a person a fit — to surprise a person in an outrageous manner
- grade point average — a measure of scholastic attainment computed by dividing the total number of grade points received by the total number of credits or hours of course work taken.
- grievance procedure — the established series of steps to be taken in dealing with a grievance raised with an employer by an employee
- have a problem with — to be unable to understand or do
- hepatic portal vein — a vein connecting two capillary networks in the liver
- invasion of privacy — an encroachment upon the right to be let alone or to be free from publicity.
- japanese arborvitae — a Japanese evergreen tree, Thuja standishii, having spreading branches with bright-green leaves.
- leave the door open — a movable, usually solid, barrier for opening and closing an entranceway, cupboard, cabinet, or the like, commonly turning on hinges or sliding in grooves.
- lymphoproliferative — Characterized by lymphoproliferation.
- mercury-vapour lamp — a lamp in which an electric discharge through a low pressure of mercury vapour is used to produce a greenish-blue light. It is used for street lighting and is also a source of ultraviolet radiation
- 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)
- nail polish remover — solvent for removing nail polish
- ordnance survey map — An Ordnance Survey map is a detailed map produced by the British or Irish government map-making organization.
- over-interpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
- overhead projection — the projection (using an overhead projector) of an enlarged image of a transparency onto a surface above and behind the person using it
- overplay one's hand — If you say that someone is overplaying something such as a problem, you mean that they are making it seem more important than it really is.
- palomar observatory — an astronomical observatory situated on Palomar Mountain in S California, having a 200-inch (508-cm) reflecting telescope and a 48-inch (122-cm) Schmidt telescope.
- peak envelope power — (communications) (PEP) The maximum power output by a radio transmitter over one complete RF cycle at any modulation.
- perpetual inventory — a form of stock control in which running records are kept of all acquisitions and disposals
- pneumogastric nerve — the vagus nerve.
- popular sovereignty — the doctrine that sovereign power is vested in the people and that those chosen to govern, as trustees of such power, must exercise it in conformity with the general will.
- pre-order traversal — traversal
- predicate objective — objective complement.
- preferential voting — a system of voting designed to permit the voter to indicate an order of preference for the candidates on the ballot.
- pretty good privacy — (tool, cryptography) (PGP) A high security RSA public-key encryption application for MS-DOS, Unix, VAX/VMS, and other computers. It was written by Philip R. Zimmermann <[email protected]> of Phil's Pretty Good(tm) Software and later augmented by a cast of thousands, especially including Hal Finney, Branko Lankester, and Peter Gutmann. PGP was distributed as "guerrilla freeware". The authors don't mind if it is distributed widely, just don't ask Philip Zimmermann to send you a copy. PGP uses a public-key encryption algorithm claimed by US patent #4,405,829. The exclusive rights to this patent are held by a California company called Public Key Partners, and you may be infringing this patent if you use PGP in the USA. This is explained in the PGP User's Guide, Volume II. PGP allows people to exchange files or messages with privacy and authentication. Privacy and authentication are provided without managing the keys associated with conventional cryptographic software. No secure channels are needed to exchange keys between users, which makes PGP much easier to use. This is because PGP is based on public-key cryptography. PGP encrypts data using the International Data Encryption Algorithm with a random session key, and uses the RSA algorithm to encrypt the session key. In December 1994 Philip Zimmermann faced prosecution for "exporting" PGP out of the United States but in January 1996 the US Goverment dropped the case. A US law prohibits the export of encryption software out of the country. Zimmermann did not do this, but the US government hoped to establish the proposition that posting an encryption program on a BBS or on the Internet constitutes exporting it - in effect, stretching export control into domestic censorship. If the government had won it would have had a chilling effect on the free flow of information on the global network, as well as on everyone's privacy from government snooping.
- 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
- progressive judaism — Reform Judaism.
- 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
- pyorrhea alveolaris — a chronic periodontitis of the gums and tooth sockets, characterized by the formation of pus and, usually, by loosening of the teeth
- pyorrhea-alveolaris — Pathology. a discharge of pus.
- 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
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