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18-letter words containing c, h, e, m

  • methylene chloride — a colorless, volatile liquid, CH 2 Cl 2 , used chiefly as a solvent, as a refrigerant, and as a local anesthetic in dentistry.
  • microsoft exchange — (messaging)   Microsoft's messaging and enterprise collaboration server. Exchange's primary role is as an electronic mail message store but it can also store calendars, task lists, contact details, and other data.
  • middle paleolithic — See under Paleolithic.
  • miniature pinscher — one of a German breed of toy dogs resembling a smaller version of the Doberman pinscher, having a flat skull, a smooth coat, erect ears, and a docked tail, bred originally as a watchdog.
  • moccasin telegraph — the transmission of rumour or secret information; the grapevine
  • modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
  • monochlorobiphenyl — (organic compound) Either of three isomers of a chlorinated derivative of biphenyl containing one chlorine atom.
  • monographic series — a series of monographs issued in uniform style or format and related by subject or by issuing agency.
  • monte carlo method — a technique for numerically approximating the solution of a mathematical problem by studying the distribution of some random variable, often generated by a computer.
  • morphine addiction — the fact or condition of being addicted to morphine
  • moscow art theater — a Russian theatrical company founded in 1898 principally by Konstantin Stanislavski and famous for its naturalistic acting.
  • moulding technique — the technique used to shape a material into a frame or mould
  • mozambique channel — a channel in SE Africa, between Mozambique and Madagascar. 950 miles (1530 km) long; 250–550 miles (400–885 km) wide.
  • much of a muchness — very similar
  • mucopolysaccharide — (formerly) glycosaminoglycan.
  • multimedia machine — machines that allow users to control and manipulate sound, video, text and graphics
  • negligent homicide — a criminal charge brought against people who, through criminal negligence, allow others to die
  • neuropsychodynamic — Of or pertaining to neuropsychodynamics.
  • nightmare scenario — If you describe a situation or event as a nightmare scenario, you mean that it is the worst possible thing that could happen.
  • nike of samothrace — a Greek marble statue (c200 b.c.) of Nike found at Samothrace and now in the Louvre, Paris.
  • northern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
  • oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
  • outreach programme — a programme designed to help and encourage disadvantaged members of the community
  • ovariohysterectomy — Surgical removal of the ovaries and uterus.
  • palm beach gardens — a city in SE Florida, near North Palm Beach.
  • palmer archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
  • parachute regiment — an airborne regiment of an army
  • peppermint camphor — menthol.
  • photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
  • photodecomposition — the breaking down of molecules by radiant energy.
  • physical chemistry — the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.
  • plumber's merchant — a shop or business that sells things needed for the job of installing and repairing pipes, fixtures, etc, for water, drainage, and gas
  • policeman's helmet — a Himalayan balsaminaceous plant, Impatiens glandulifera, with large purplish-pink flowers, introduced into Britain
  • pollen mother cell — one of the mother cells that produce four microspores by meiosis.
  • potassium chlorate — a white or colorless, crystalline, water-soluble, poisonous solid, KClO 3 , used chiefly as an oxidizing agent in the manufacture of explosives, fireworks, matches, bleaches, and disinfectants.
  • potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
  • processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
  • programmer's cheer — (humour)   "Shift to the left! Shift to the right! Pop up, push down! Byte! Byte! Byte!" [Origin?]
  • projection machine — an apparatus that projects motion pictures; projector.
  • propaganda machine — the group of people, publications, etc, such as of a government, country etc, responsible for the organized dissemination of information, allegations, etc, to assist or damage the cause of a government, movement, etc
  • provision merchant — a person or company in the business of retailing food and other provisions
  • psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
  • put the mockers on — stop, thwart
  • pyromucic aldehyde — furfural.
  • quasi-metaphysical — pertaining to or of the nature of metaphysics.
  • quick off the mark — If you are quick off the mark, you are quick to understand or respond to something. If you are slow off the mark, you are slow to understand or respond to something.
  • reach for the moon — to desire or attempt something unattainable or difficult to obtain
  • repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
  • richard p. feynman — (person, computing, architecture)   /fayn'mn/ 1918-1988. A US physicist, computer scientist and author who graduated from Massachusetts Institute of Technology and Princeton. Feynmane was a key figure in helping Oppenheimer and team develop atomic bomb. In 1950 he became a professor at Caltech and in 1965 became Nobel Prize Laureate in Physics for QED (quantum electrodynamics). He was a primary figure in "solving" the Challenger disaster O-ring problem. He "rediscovered" the former Soviet Socialist Republic of Tuva. The 2001 film "Infinity" about Feynman's early life featured Matthew Broderick and Patricia Arquette. In 2001, "QED", a play about Feynman's life featuring Alan Alda opened.
  • roman architecture — buildings in style of ancient Rome
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