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20-letter words containing g, o, t, r, a, c

  • magnetoencephalogram — a record of the magnetic field of the brain. Abbreviation: MEG.
  • magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
  • magnification factor — the size of a magnified image of an object divided by the size of the object itself
  • mail-order catalogue — a catalogue of goods you can buy from a particular company by mail order
  • margaret of scotland — Saint. 1045–93, queen consort of Malcolm III of Scotland. Her piety and benefactions to the church led to her canonization (1250). Feast days: June 10, Nov 16
  • megabytes per second — (unit)   (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
  • megakaryocytopoiesis — (biology) The cellular development process that leads to platelet production.
  • molecular gastronomy — an approach to cooking in which a chef’s knowledge of physics, chemistry, and biology allows him or her to experiment with unusual flavour combinations and cooking techniques
  • molecular geneticist — a specialist in the study of the molecular constitution of genes and chromosomes
  • multiplicative group — a group in which the operation of the group is multiplication.
  • next program counter — (architecture)   (nPC) A register in a CPU that contains the address of the instruction to be executed next.
  • nikkei stock average — an index of prices on the Tokyo Stock Exchange
  • nonrepeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
  • normal magnification — the magnification produced by a telescope or microscope such that the diameter of the exit pupil of the instrument is equal to the diameter of the pupil of the eye.
  • norwegian forest cat — a breed of long-haired cat with a long bushy tail and a long mane
  • occupation groupings — a system of classifying people according to occupation, based originally on information obtained by government census and subsequently developed by market research. The classifications are used by the advertising industry to identify potential markets. The groups are A, B, C1, C2, D, and E
  • officer of the guard — an officer, acting under the officer of the day, who is responsible for the instruction, discipline, and performance of duty of the guard in a post, camp, or station. Abbreviation: OG, O.G.
  • omega-minus particle — a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Symbol: Ω −.
  • ontological argument — an a priori argument for the existence of God, asserting that as existence is a perfection, and as God is conceived of as the most perfect being, it follows that God must exist; originated by Anselm, later used by Duns Scotus, Descartes, and Leibniz.
  • open learning centre — an establishment which provides further education on a flexible part-time basis
  • operant conditioning — conditioning (def 1).
  • operating conditions — Operating conditions are a set of conditions for operating a particular system or process.
  • optical mark reading — the reading of marks by an optical device whereby the information can be stored in machine-readable form
  • orthognathic surgery — the surgical correction of deformities or malpositions of the jaw.
  • oscillating universe — a variant model of the closed universe in which the universe undergoes cycles of expansion and contraction.
  • ovo-lacto vegetarian — a vegetarian who eats eggs and dairy products
  • ovo-lacto-vegetarian — lacto-ovo-vegetarian.
  • paper chromatography — the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica (column chromatography) or a strip of filter paper (paper chromatography) or by a gel.
  • peremptory challenge — a formal objection to the service of a juror by a party to a criminal prosecution or a civil action that requires no showing of cause.
  • perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
  • photogelatin process — collotype (def 1).
  • phthalocyanine green — a pigment used in painting, derived from chlorinated copper phthalocyanine and characterized chiefly by its intense green color and permanence.
  • physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
  • pound cost averaging — a method of accumulating capital by investing a fixed sum in a particular security at regular intervals, in order to achieve an average purchase price below the arithmetic average of the market prices on the purchase dates
  • prescription glasses — corrective spectacles
  • price-earnings ratio — the current price of a share of common stock divided by earnings per share over a 12-month period, often used in stock evaluation. Abbreviation: p/e.
  • procedural agreement — regulations agreed between the parties to collective bargaining, defining the bargaining units, bargaining scope, procedures for collective bargaining, and the facilities to be provided to trade union representatives
  • production agreement — a contract concerning the production or manufacture of something
  • proportional spacing — a feature of some typewriters and other output devices whereby the space allotted to each character is determined by the width of the character
  • prosecuting attorney — the public officer in a county, district, or other jurisdiction charged with carrying on the prosecution in criminal proceedings.
  • quantum cryptography — a method of coding information based on quantum mechanics, which is said to be unbreakable
  • quarantine anchorage — an anchorage for ships awaiting a pratique.
  • real-time processing — data-processing by a computer which receives constantly changing data, such as information relating to air-traffic control, travel booking systems, etc, and processes it sufficiently rapidly to be able to control the source of the data
  • reciprocating engine — an engine in which one or more pistons move backwards and forwards inside a cylinder or cylinders
  • refracting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
  • regenerative cooling — Physics. a method of cooling a gas, utilizing the rapid expansion of a compressed portion of the gas, before it becomes liquid, to cool the remainder.
  • restriction fragment — a length of DNA cut from the strand by a restriction enzyme.
  • rotary-wing aircraft — an aircraft, esp a helicopter, that is lifted or propelled by rotating airfoils
  • saint george's cross — the Greek cross as used in the flag of Great Britain.
  • scatter site housing — public housing, especially for low-income families, built throughout an urban area rather than being concentrated in a single neighborhood.
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