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19-letter words containing a, t, e, f, c, r

  • general post office — (in the U.S. postal system) the main post office of a city, county, etc., that also has branch post offices. Abbreviation: G.P.O., GPO.
  • grandfather's chair — wing chair.
  • grandfather's clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
  • great wall of china — a system of fortified walls with a roadway along the top, constructed as a defense for China against the nomads of the regions that are now Mongolia and Manchuria: completed in the 3rd century b.c., but later repeatedly modified and rebuilt. 2000 miles (3220 km) long.
  • greenstick fracture — an incomplete fracture of a long bone, in which one side is broken and the other side is still intact.
  • gulf of carpentaria — a shallow inlet of the Arafura Sea, in N Australia between Arnhem Land and Cape York Peninsula
  • 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.
  • halt and catch fire — (humour, processor)   (HCF) Any of several undocumented and semi-mythical machine instructions with destructive side-effects, supposedly included for test purposes on several well-known architectures going as far back as the IBM 360. The Motorola 6800 microprocessor was the first for which an HCF opcode became widely known. This instruction caused the processor to read every memory location sequentially until reset.
  • hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
  • identification card — a card giving identifying data about a person, as full name, address, age, and color of hair and eyes, and often containing a photograph: for use as identification at a place of employment, school, club, etc.
  • identification mark — barcode or serial number
  • immigration officer — official administrating incoming foreigners
  • in commemoration of — in remembrance of
  • in consideration of — the act of considering; careful thought; meditation; deliberation: I will give your project full consideration.
  • incomplete fracture — a fracture extending partly across the bone.
  • index of refraction — a number indicating the speed of light in a given medium as either the ratio of the speed of light in a vacuum to that in the given medium (absolute index of refraction) or the ratio of the speed of light in a specified medium to that in the given medium (relative index of refraction) Symbol: n.
  • index-tracking fund — an investment fund that is administered so that its value changes in line with a given share index
  • information content — the amount of information in something
  • information officer — someone whose job is to give information to people
  • information science — the study of the nature, collection, and management of information and of its uses, especially involving computer storage and retrievals.
  • information service — a service which provides information
  • 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.
  • interesterification — transesterification.
  • interface architect — An interface builder for Motif distributed by Hewlett-Packard (see UIMX).
  • interfacial tension — the surface tension at the interface of two liquids.
  • interferometrically — By means of interferometry.
  • italian east africa — a former Italian territory in E Africa, formed in 1936 by the merging of Eritrea and Italian Somaliland with newly conquered Ethiopia: taken by the British Imperial forces 1941.
  • jacques montgolfier — Jacques Étienne [zhahk ey-tyen] /ʒɑk eɪˈtyɛn/ (Show IPA), 1745–99, and his brother Joseph Michel [zhaw-zef mee-shel] /ʒɔˈzɛf miˈʃɛl/ (Show IPA) 1740–1810, French aeronauts: inventors of the first practical balloon 1783.
  • juan de fuca strait — strait between Vancouver Island and NW Wash.: c. 100 mi (161 km) long
  • leading aircraftman — the rank above aircraftman
  • left-luggage locker — a coin-operated locker in which luggage can be left
  • lift the curtain on — to begin
  • line of demarcation — a separation between things deemed to be distinct
  • magnetomotive force — a scalar quantity that is a measure of the sources of magnetic flux in a magnetic circuit. Abbreviation: mmf.
  • malice aforethought — a predetermination to commit an unlawful act without just cause or provocation (applied chiefly to cases of first-degree murder).
  • maratha confederacy — a loose league of states in central and western India, c1750–1818.
  • mary wollstonecraft — Mary (Mary Wollstonecraft Godwin) 1759–97, English author and feminist (mother of Mary Shelley).
  • mayor of the palace — one of a line of hereditary administrative lieutenants to the Merovingian kings who eventually took over royal function and title in the Frankish kingdoms; a palatine.
  • means of production — resources: equipment, workers
  • medical certificate — a document stating the result of a satisfactory medical examination
  • miracle of st. mark — a painting (1548) by Tintoretto.
  • nasty piece of work — malicious person
  • 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.
  • nerve growth factor — a protein that promotes the growth, organization, and maintenance of sympathetic and some sensory nerve cells. Abbreviation: NGF.
  • north pacific ocean — the northern part of the Pacific Ocean, extending from the equator to the Arctic Ocean.
  • 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.
  • open-hearth furnace — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
  • pancreatic fibrosis — cystic fibrosis.
  • performance anxiety — the stage fright that a person feels when they are about to perform (a play, piece of music etc) in front of an audience
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