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21-letter words containing c, h, e, r, i, m

  • hindu-arabic numerals — Arabic numeral.
  • homolosine projection — an equal-area projection of the world, distorting ocean areas in order to minimize the distortion of the continents.
  • hypercholesterolaemia — the condition of having a high concentration of cholesterol in the blood
  • immunoelectrophoresis — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
  • immunoelectrophoretic — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
  • in the course of time — eventually
  • irish republican army — an underground Irish nationalist organization founded to work for Irish independence from Great Britain: declared illegal by the Irish government in 1936, but continues activity aimed at the unification of the Republic of Ireland and Northern Ireland. Abbreviation: IRA, I.R.A.
  • joseph-marie jacquard — (person)   /zhoh-zef' mah-ree' zhah-kar'/ (1752-07-07 to 1834-08-07) The inventor of the Jacquard loom.
  • law of thermodynamics — any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is absorbed from a reservoir at a single temperature and converted completely into mechanical work (second law of thermodynamics) and the principle that it is impossible to reduce the temperature of a system to absolute zero in a finite number of operations (third law of thermodynamics)
  • light armored vehicle — an eight-wheeled armored reconnaissance car with a 25mm cannon, in service with the U.S. Army and Marine Corps in the 1980s.
  • main-topsail schooner — a two-masted or three-masted schooner having square topsails on the foremast and mainmast: a jackass brig or jackass bark.
  • mechanical instrument — a musical instrument, such as a barrel organ or music box, that plays a preselected piece of music by mechanical means
  • mechanical metallurgy — the branch of metallurgy dealing with the response of metals to applied forces.
  • mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
  • mechanical weathering — any of the various weathering processes that cause physical disintegration of exposed rock without any change in the chemical composition of the rock: Collision between rock surfaces can cause mechanical weathering.
  • metopon hydrochloride — a narcotic drug, C18H21O3N·HCl, derived from morphine, but slightly more potent: used in medicine to relieve pain
  • minister of the crown — any Government minister of cabinet rank
  • modern apprenticeship — an arrangement that allows a school leaver to gain vocational qualifications while being trained in a job
  • monochloroacetic acid — chloroacetic acid.
  • motivational 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.
  • mucopolysaccharidoses — Plural form of mucopolysaccharidosis.
  • multichannel analyser — an electronic instrument, such as a pulse height analyser, that splits an input waveform into a large number of channels in accordance with a particular parameter of the input
  • night-blooming cereus — any of various cacti of the genera Hylocereus, Peniocereus, Nyctocereus, or Selenicereus, having large, usually white flowers that open at night.
  • performance-enhancing — noting or relating to a drug or other substance used to improve one's performance in a sport or other activity requiring strength, stamina, etc.: The use of performance-enhancing steroids by athletes is banned.
  • primary sex character — any of the body structures directly concerned in reproduction, as the testes, ovaries, and external genitalia.
  • privacy enhanced mail
  • profit-sharing scheme — a scheme employing profit-sharing; a system in which a portion of the net profit of a business is distributed to its employees, usually in proportion to their wages or their length of service
  • psychoneuroimmunology — the study of the effects of psychological factors on the immune system
  • purchasing department — the group of staff within an organization that is responsible for buying goods or products
  • queer someone's pitch — to upset someone's plans
  • reading comprehension — a text that students use to help them improve their reading skills, by reading it and answering questions relating to the text. Sometimes used as a test or examination of reading skills. A reading comprehension can be in the student's own or another language
  • recompression chamber — hyperbaric chamber.
  • record of achievement — a statement of the personal and educational development of each pupil
  • reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
  • replacement algorithm — The method used to determine which entry in an associative cache to flush to main memory when it is desired to cache a new block of data. The "least recently used" algorithm flushed the block which has not been accessed for the longest time. A random replacement algorithm picks any block with equal probability.
  • return the compliment — repay sb's kindness with a kind act
  • reverberation chamber — a room with walls that reflect sound. It is used to make acoustic measurements and as a source of reverberant sound to be mixed with direct sound for recording or broadcasting
  • s-k reduction machine — An abstract machine defined by Professor David Turner to evaluate combinator expressions represented as binary graphs. Named after the two basic combinators, S and K.
  • schoolgirl complexion — a smooth, clear complexion, such as schoolgirls are considered to have
  • secure hash algorithm
  • sherman antitrust act — an act of Congress (1890) prohibiting any contract, conspiracy, or combination of business interests in restraint of foreign or interstate trade.
  • short message service — (messaging)   (SMS) A message service offered by the GSM digital mobile telephone system. Using SMS, a short alphanumeric message (160 alphanumeric characters) can be sent to a mobile phone to be displayed there, much like in an alphanumeric pager system. The message is buffered by the GSM network until the phone becomes active.
  • slatwall merchandiser — A slatwall merchandiser is a three-dimensional display unit with grooves cut into its surface into which metal hanging rails can be fixed at various heights.
  • somatotrophic-hormone — a hormone secreted by the anterior pituitary gland, that stimulates growth in humans.
  • splice the main brace — to join together or unite (two ropes or parts of a rope) by the interweaving of strands.
  • sympathetic vibration — a vibration induced by resonance.
  • synchronized swimming — a sport growing out of water ballet in which swimmers, in solo, duet, and team efforts, complete various required figures by performing motions in relatively stationary positions, along with a freestyle competition, with the contestants synchronizing movements to music and being judged for body position, control, and the degree of difficulty of the moves.
  • the maastricht treaty — a treaty on European economic and monetary union agreed by government leaders of the 12 EC states at a meeting in Maastricht in December 1991
  • the microsoft network — (networking)   (MSN) Microsoft's ISP and online content service, launched in October 1996. Not to be confused with Microsoft Networking. MSN was originally based on custom software and protocols, however Microsoft saw the error of their ways and adopted Internet standards. MSN now provides standard WWW and email facilities, albeit with Microsoft's Internet Explorer web-browser and the Outlook Express email software. The service also provides "Community Services" including newsgroups, forums, and chat.
  • the supreme sacrifice — the sacrifice of one's life
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