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

  • self-introduction — the act of introducing or the state of being introduced.
  • self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
  • self-renunciation — renunciation of one's own will, interests, etc.
  • self-reproduction — the act or process of reproducing.
  • shirt-tail cousin — a distant cousin
  • smoothing circuit — a circuit used to remove ripple from the output of a direct current power supply
  • socratic elenchus — the drawing out of the consequences of a position in order to show them to be contrary to some accepted position
  • sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
  • standard function — a subprogram provided by a translator that carries out a task, for example the computation of a mathematical function, such as sine, square root, etc
  • stannous chloride — a white, crystalline, water-soluble solid, SnCl 2 ⋅2H 2 O, used chiefly as a reducing and tinning agent, and as a mordant in dyeing with cochineal.
  • storm in a teacup — a violent fuss or disturbance over a trivial matter
  • stretch limousine — a limousine that has been lengthened to provide extra seating accommodation and more legroom
  • stretching course — (in brickwork) a course of stretchers.
  • subclavian groove — either of two grooves in the first rib, one for the main artery (subclavian artery) and the other for the main vein (subclavian vein) of the arm
  • subscription rate — the price charged for a subscription
  • 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.
  • 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.
  • teacher education — training to become a teacher, usually at an institution of higher 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.
  • temporary account — A temporary account is an account which is closed out at the end of the year.
  • 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 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
  • 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.
  • thread escutcheon — a raised metal rim around a keyhole.
  • 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.
  • 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.
  • transfer function — The transfer function of a circuit is the ratio of the response to the input.
  • trapdoor function — a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram.
  • triboluminescence — luminescence produced by friction, usually within a crystalline substance.
  • turn of the screw — a short novel (1898) by Henry James.
  • turn on the charm — If someone turns on the charm, they behave in a way that seems very friendly but which you think is insincere, often in order to obtain something or deceive someone.
  • turn-down service — In a hotel, a turn-down service is the preparation of a room for a guest to sleep in by slightly turning back the comforter on the bed, turning down the lights, and so on.
  • ultraconservative — extremely conservative, especially in politics.
  • ultramicrobalance — a balance for weighing precisely, to a hundredth of a microgram or less, minute quantities of material.
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