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17-letter words containing o, c, n, r

  • sufficient reason — the principle that nothing happens by pure chance, but that an explanation must always be available
  • sulfonyl chloride — a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.
  • sunday observance — the fact of keeping Sunday as a special day when people go to church
  • superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
  • supercolumniation — the placing of one order of columns above another.
  • superconductivity — the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
  • support mechanism — any formal system or method of providing support or assistance
  • supreme commander — the military officer commanding all allied forces in a theater of war.
  • surface condenser — a device condensing steam or vapor by passing it over a cool surface.
  • sweet mock orange — the syringa, Philadelphus coronarius.
  • sword and sorcery — a genre of literature and film, usually set in days of old with magic as well as sword fighting
  • sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
  • synchronistically — coincidence in time; contemporaneousness; simultaneousness.
  • synchronous motor — a synchronous machine that acts as a motor.
  • synchronous orbit — an orbit in which the orbital period of a satellite is identical to the spin period of the central body
  • synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
  • tabernacle mirror — a mirror of c1800, having columns and a cornice, usually gilt, with a painted panel over the mirror.
  • teacher education — training to become a teacher, usually at an institution of higher education
  • teaching software — computer software for use in providing online education
  • technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
  • telephone service — a company or public utility that provides a telephone-operating service
  • television screen — the flat vertical surface in a television set on which pictures are shown
  • temporary account — A temporary account is an account which is closed out at the end of the year.
  • terminal velocity — Physics. the velocity at which a falling body moves through a medium, as air, when the force of resistance of the medium is equal in magnitude and opposite in direction to the force of gravity. the maximum velocity of a body falling through a viscous fluid.
  • tertiary consumer — a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
  • the black country — the formerly heavily industrialized region of central England, northwest of Birmingham
  • the carboniferous — the Carboniferous period or rock system
  • the confederation — the original 13 states of the United States of America constituted under the Articles of Confederation and superseded by the more formal union established in 1789
  • the rann of kutch — an extensive salt waste in W central India, and S Pakistan: consists of the Great Rann in the north and the Little Rann in the southeast; seasonal alternation between marsh and desert; some saltworks. In 1968 an international tribunal awarded about 10 per cent of the border area to Pakistan. Area: 23 000 sq km (9000 sq miles)
  • the witching hour — the hour at which witches are supposed to appear, usually midnight
  • theatricalization — to put into dramatic or theatrical form; dramatize.
  • thermocoagulation — the coagulation of tissue by heat-producing high-frequency electric currents, used therapeutically to remove small growths or to create specific lesions in the brain.
  • third commandment — “Thou shalt not take the name of the Lord thy God in vain”: third of the Ten Commandments.
  • thread escutcheon — a raised metal rim around a keyhole.
  • throat microphone — a microphone worn around the throat and actuated by vibrations of the larynx, used when background noise would obscure the sound of speech, as in an airplane cockpit.
  • to risk your neck — If you say that someone is risking their neck, you mean they are doing something very dangerous, often in order to achieve something.
  • to run its course — If something runs its course or takes its course, it develops naturally and comes to a natural end.
  • to throw a wrench — If someone throws a wrench or throws a monkey wrench into a process, they prevent something happening smoothly by deliberately causing a problem.
  • tone control knob — a round switch on a radio, record player, etc that is turned to alter the tone control
  • top-security wing — a wing of a prison, mental hospital, etc that has a very high level of precautions against escape
  • torricellian tube — a vertical glass tube partly evacuated and partly filled with mercury, the height of which is used as a measure of atmospheric pressure
  • touch a raw nerve — If you say that you have touched a nerve or touched a raw nerve, you mean that you have accidentally upset someone by talking about something that they feel strongly about or are very sensitive about.
  • trade association — an association of people or companies in a particular business or trade, organized to promote their common interests.
  • traditional logic — formal logic based on syllogistic formulas, especially as developed by Aristotle.
  • traffic diversion — a special route arranged for traffic to follow when the normal route cannot be used
  • traffic policeman — a policeman controlling traffic, esp while stationed at an intersection, or enforcing traffic regulations
  • traffic violation — driving offence
  • transfer function — The transfer function of a circuit is the ratio of the response to the input.
  • transignification — (in the Eucharist) a change in the significance of the bread and wine to symbolize the body and blood of Christ.
  • transitory action — an action that can be brought in any country regardless of where it originated
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