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19-letter words containing r, i, v, e, c

  • half wave rectifier — A half wave rectifier removes the negative component of an alternating signal leaving only the positive part.
  • half-wave rectifier — a rectifier that changes only one half of a cycle of alternating current into a pulsating, direct current.
  • hepatic portal vein — a vein connecting two capillary networks in the liver
  • hudson river school — a group of American painters of the mid-19th century whose works are characterized by a highly romantic treatment of landscape, especially along the Hudson River.
  • immersion objective — a microscope objective of high resolving power in which the space between the front lens and the cover glass is filled with an oil whose index of refraction is close to that of the objective and the cover glass.
  • in-service training — training that is given to employees during the course of employment
  • incomprehensiveness — The condition of being incomprehensive.
  • incontrovertibility — The state or characteristic of being incontrovertible, of not being debatable; incontestability.
  • indirect initiative — a procedure in which a statute or amendment proposed by popular petition must receive legislative consideration before being submitted to the voters.
  • inductive inference — grammatical inference
  • inductive reactance — the opposition of inductance to alternating current, equal to the product of the angular frequency of the current times the self-inductance. Symbol: X L.
  • information service — a service which provides information
  • intensive care unit — the specialized center in a hospital where intensive care is provided. Abbreviation: ICU.
  • interactive fiction — an adventure or mystery story, usually presented as a video game or book, in which the player or reader is given choices as to how the storyline is to develop or the mystery is to be solved.
  • internal conversion — the emission of an electron by an atom with an excited nucleus, occurring as a result of the transfer of energy from the nucleus to the electron.
  • interpretive centre — (at a place of interest, such as a country park, historical site, etc) a building or group of buildings that provides interpretation of the place of interest through a variety of media, such as video displays and exhibitions of material, and, often, includes facilities such as refreshment rooms and gift shops
  • intervertebral disc — any of the cartilaginous discs between individual vertebrae, acting as shock absorbers
  • intrauterine device — any small, mechanical device for semipermanent insertion into the uterus as a contraceptive. Abbreviation: IUD.
  • locomotive engineer — engineer (def 3).
  • locomotive workshop — a place where locomotives are built or repaired
  • magnetic tape drive — (storage)   (Or "tape drive") A peripheral device that reads and writes magnetic tape.
  • magnetomotive force — a scalar quantity that is a measure of the sources of magnetic flux in a magnetic circuit. Abbreviation: mmf.
  • minor seventh chord — a chord consisting of a minor triad with an added minor seventh above the root
  • 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)
  • motivation research — the application of the knowledge and techniques of the social sciences, especially psychology and sociology, to understanding consumer attitudes and behavior: used as a guide in advertising and marketing.
  • moving spirit/force — The moving spirit or moving force behind something is the person or thing that caused it to start and to keep going, or that influenced people to take part in it.
  • national serviceman — a soldier undertaking compulsory military service
  • neats vs. scruffies — (artificial intelligence, jargon)   The label used to refer to one of the continuing holy wars in artificial intelligence research. This conflict tangles together two separate issues. One is the relationship between human reasoning and AI; "neats" tend to try to build systems that "reason" in some way identifiably similar to the way humans report themselves as doing, while "scruffies" profess not to care whether an algorithm resembles human reasoning in the least as long as it works. More importantly, neats tend to believe that logic is king, while scruffies favour looser, more ad-hoc methods driven by empirical knowledge. To a neat, scruffy methods appear promiscuous, successful only by accident and not productive of insights about how intelligence actually works; to a scruffy, neat methods appear to be hung up on formalism and irrelevant to the hard-to-capture "common sense" of living intelligences.
  • negative resistance — a characteristic of certain electronic components in which an increase in the applied voltage increases the resistance, producing a proportional decrease in current
  • neville chamberlain — (Arthur) Neville, 1869–1940, British statesman: prime minister 1937–40.
  • not care/give a fig — If you say that someone doesn't care a fig or doesn't give a fig about something, you are emphasizing that they think it is unimportant or that they are not interested in it.
  • olive-backed thrush — Swainson's thrush.
  • over-centralization — the act or fact of centralizing; fact of being centralized.
  • over-commercialized — to make commercial in character, methods, or spirit.
  • 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
  • particular negative — a proposition of the form “Some S is not P.” Symbol: O.
  • pecuniary advantage — financial advantage that is dishonestly obtained by deception and that constitutes a criminal offence
  • perfect progressive — a verb form including the auxiliary have followed by been and a present participle, noting the continuation of an activity or event, its incompleteness or interruption, and its connection to the temporal point of reference, as in I've been waiting for over an hour, They had been talking about her before she came into the room, or In July, he will have been living here for two years.
  • pneumogastric nerve — the vagus nerve.
  • police intervention — the physical involvement of police officers in an incident, esp where officers use force to control public disorder, such as a riot
  • predicate adjective — an adjective used in the predicate, especially with a copulative verb and attributive to the subject, as in He is dead, or attributive to the direct object, as in It made him sick.
  • predicate objective — objective complement.
  • 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.
  • preventive medicine — the branch of medical science that deals with prevention of disease.
  • private first class — a soldier ranking above a private and below a corporal or specialist fourth class in the U.S. Army, and above a private and below a lance corporal in the U.S. Marine Corps.
  • private prosecution — a prosecution started by a private individual rather than by the police
  • professional advice — advice given by someone trained in a particular and relevant profession or job
  • projective geometry — the geometric study of projective properties.
  • projective property — a geometric property that is unaltered by projection; a property of relative position, as coincidence or length, but not of magnitude.
  • pseudo-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
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