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17-letter words containing i, a, t, r, c, s

  • ductus arteriosis — a fetal blood vessel that connects the left pulmonary artery directly to the descending aorta, normally closing after birth.
  • east pacific rise — a long north-south elevation of the sea floor in the E Pacific Ocean extending southward from SW Mexico to the Antarctic Ocean.
  • ectoparasiticides — Plural form of ectoparasiticide.
  • egyptian brackets — (programming, humour)   A humourous term for K&R indent style, referring to the "one hand up in front, one down behind" pose which popular culture inexplicably associates with Egypt.
  • electric constant — the permittivity of free space, which has the value 8.854 187 × 10–12 farad per metre
  • electroanesthesia — Anesthesia induced by cranial electrotherapy stimulation.
  • electrostatically — In an electrostatic manner, by electrostatic means.
  • elliptical spring — An elliptical spring is a spring that is made from two springs in the shape of elongated ovals laid cut in half and back-to-back.
  • emergency rations — food and drink that is designated for use in an emergency: for example, in a famine, after a plane crash, when hill-walkers or mountaineers are stranded, etc.
  • esprit d'escalier — clever repartee one thinks of too late
  • factory inspector — a person who inspects factories
  • facts and figures — details; precise information
  • fairness doctrine — a policy mandated by the Federal Communications Commission, requiring radio and television stations to grant equal time to a political candidate, group, etc., to present an opposing viewpoint to one already aired.
  • financial futures — futures in a stock-exchange index, currency exchange rate, or interest rate enabling banks, building societies, brokers, and speculators to hedge their involvement in these markets
  • first call on sth — If you have first call on something, you will be asked before anyone else whether you want to buy or use it.
  • first commandment — “Thou shalt have no other gods before me”: first of the Ten Commandments.
  • first performance — the first time that a play or concert is performed
  • first-aid classes — classes which teach people how to give immediate medical help in an emergency
  • flickertail state — North Dakota (used as a nickname).
  • foreign secretary — foreign minister.
  • foundation course — A foundation course is a course that you do at some colleges and universities in order to prepare yourself for a longer or more advanced course.
  • fractal dimension — (mathematics)   A common type of fractal dimension is the Hausdorff-Besicovich Dimension, but there are several different ways of computing fractal dimension. Fractal dimension can be calculated by taking the limit of the quotient of the log change in object size and the log change in measurement scale, as the measurement scale approaches zero. The differences come in what is exactly meant by "object size" and what is meant by "measurement scale" and how to get an average number out of many different parts of a geometrical object. Fractal dimensions quantify the static *geometry* of an object. For example, consider a straight line. Now blow up the line by a factor of two. The line is now twice as long as before. Log 2 / Log 2 = 1, corresponding to dimension 1. Consider a square. Now blow up the square by a factor of two. The square is now 4 times as large as before (i.e. 4 original squares can be placed on the original square). Log 4 / log 2 = 2, corresponding to dimension 2 for the square. Consider a snowflake curve formed by repeatedly replacing ___ with _/\_, where each of the 4 new lines is 1/3 the length of the old line. Blowing up the snowflake curve by a factor of 3 results in a snowflake curve 4 times as large (one of the old snowflake curves can be placed on each of the 4 segments _/\_). Log 4 / log 3 = 1.261... Since the dimension 1.261 is larger than the dimension 1 of the lines making up the curve, the snowflake curve is a fractal. [sci.fractals FAQ].
  • fraternal society — a club or other association, usually of men, having a limited membership and devoted to professional, religious, charitable, or social activities.
  • freight insurance — insurance paid on goods in transport
  • functional isomer — any of several structural isomers that have the same molecular formula but with the atoms connected in different ways and therefore falling into different functional groups.
  • general semantics — a philosophical approach to language, developed by Alfred Korzybski, exploring the relationship between the form of language and its use and attempting to improve the capacity to express ideas.
  • geomagnetic storm — magnetic storm.
  • gestatorial chair — a ceremonial chair on which the pope is carried
  • giscard d'estaing — Valéry [va-ley-ree] /va leɪˈri/ (Show IPA), born 1926, French political leader: president 1974–81.
  • glastonbury chair — a folding chair having legs crossed front-to-back and having arms connected to the back and to the front seat rail.
  • haematocrystallin — Alternative form of hematocrystallin.
  • handicap register — a list of the disabled people in its area that a local authority had a duty to compile under the Chronically Sick and Disabled Persons Act 1970
  • hasbrouck heights — a borough in NE New Jersey.
  • high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
  • histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
  • historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
  • historical school — a school of economists that arose in Germany in the 19th century in reaction to the principles of the classical economists, and that maintained that the factors making up an economy are variable and develop out of social institutions.
  • historiographical — the body of literature dealing with historical matters; histories collectively.
  • homeland security — national defence
  • horticulturalists — Plural form of horticulturalist.
  • housekeeping cart — A housekeeping cart is a large metal basket on wheels which is used by a cleaner in a hotel to move clean bed linen, towels, and cleaning equipment.
  • hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
  • hydrotherapeutics — hydrotherapy.
  • hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
  • hypocholesteremia — an abnormally low amount of cholesterol in the blood.
  • ichthyosarcotoxin — a term applied to any poison found in the flesh of poisonous fishes.
  • icositetrahedrons — Plural form of icositetrahedron.
  • idiosyncratically — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
  • imperialistically — In an imperialistic manner.
  • impersonification — (archaic) the act of impersonating; impersonation.
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