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

  • quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
  • quattuordecillion — a cardinal number represented in the U.S. by 1 followed by 45 zeros, and in Great Britain by 1 followed by 84 zeros.
  • quick on the draw — having fast reflexes
  • rational function — a function that can be written as the quotient of two polynomials with integral coefficients.
  • reconstructionism — a 20th-century movement among U.S. Jews, founded by Rabbi Mordecai M. Kaplan, advocating that Judaism, being a culture and way of life as well as a religion, is in sum a religious civilization requiring constant adaptation to contemporary conditions so that Jews can identify more readily and meaningfully with the Jewish community.
  • reconstructionist — an advocate or supporter of Reconstruction or Reconstructionism.
  • recreation ground — an open space for public recreation, esp one in a town, with swings and slides, etc, for children
  • recreational drug — drug taken for pleasure
  • recruiting office — an office where staff are recruited, esp by the military
  • reduce to silence — If someone or something reduces you to silence, they make you feel so upset or confused that you cannot speak.
  • reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
  • reflection nebula — a cloud of interstellar gas and dust that reflects the light of neighboring stars.
  • refuse collection — the collection of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
  • refuse destructor — someone responsible for or something that destructs or destroys rubbish and waste
  • reproductive cell — gamete.
  • rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
  • resurrection fern — a drought-resistant, evergreen, epiphytic fern, Polypodium polypodioides, of subtropical to tropical America, appearing to be a ball of coiled, dead leaves in the dry season but reviving with moisture.
  • reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
  • return of capital — A return of capital is a situation in which you receive back money that was previously invested.
  • return on capital — A return on capital is any earnings that you receive from the capital that you have invested.
  • returning officer — a public official appointed to conduct and preside at an election.
  • revascularization — the restoration of the blood circulation of an organ or area, achieved by unblocking obstructed or disrupted blood vessels or by surgically implanting replacements.
  • rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
  • ribonucleoprotein — a substance composed of RNA in close association with protein; a nucleoprotein containing RNA. Abbreviation: RNP.
  • road construction — the building of roads
  • rocket propulsion — propulsion of an object by thrust developed by a rocket.
  • roll with a punch — to move in the same direction as a punch thrown at one so as to lessen its force
  • rotary cultivator — a machine for breaking up and tilling soil, consisting of a series of blades mounted on a revolving power-driven shaft
  • round-trip ticket — a ticket entitling a passenger to travel to his or her destination and back again
  • run out the clock — to maintain control of the ball in the closing minutes of a game
  • rush-hour traffic — the large number of vehicles that move along roads, travelling to or from work at the beginning and end of the working day
  • safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
  • sanctum sanctorum — the holy of holies of the Biblical tabernacle and the Temple in Jerusalem.
  • saxe-coburg-gotha — a member of the present British royal family, from the establishment of the house in 1901 until 1917 when the family name was changed to Windsor.
  • secondary product — a product that is not the main product of an industry; a by-product
  • secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
  • 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
  • shortcrust pastry — a basic type of pastry that is made with half the quantity of fat to flour, and has a crisp but crumbly texture
  • 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
  • sodium bichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
  • sodium dichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
  • 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.
  • south west africa — a former name of Namibia.
  • south-west africa — a former name of Namibia.
  • spectrum disorder — any of a group of disorders each having symptoms that occur on a continuum and certain features that are shared along its spectrum but that manifest in markedly different forms and degrees. See also autism spectrum disorder.
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