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17-letter words containing u, n, a, r, i

  • quantum chemistry — the application of quantum mechanics to the study of chemical phenomena.
  • quasiexperimental — (medicine) Describing a trial in which the assignment to a group is based upon an experimental condition.
  • quatercentenaries — Plural form of quatercentenary.
  • 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
  • radioluminescence — luminescence induced by nuclear radiation.
  • rational function — a function that can be written as the quotient of two polynomials with integral coefficients.
  • raynaud's disease — a vascular disorder of unknown cause, characterized by recurrent episodes of blanching and numbness of the fingers and toes and sometimes the tip of the nose and ears, usually triggered by stress or exposure to cold.
  • 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
  • recurring decimal — Mathematics. repeating decimal.
  • recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
  • recursive acronym — (convention)   A hackish (and especially MIT) tradition is to choose acronyms and abbreviations that refer humorously to themselves or to other acronyms or abbreviations. The classic examples were two MIT editors called EINE ("EINE Is Not Emacs") and ZWEI ("ZWEI Was EINE Initially"). More recently, there is a Scheme compiler called LIAR (Liar Imitates Apply Recursively), and GNU stands for "GNU's Not Unix!" - and a company with the name CYGNUS, which expands to "Cygnus, Your GNU Support". See also mung.
  • 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.
  • republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
  • republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
  • rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
  • 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.
  • 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.
  • revolutionary war — American Revolution.
  • rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
  • ring-tailed lemur — a Madagascan prosimian primate, Lemur catta, with a long black and white ringed tail
  • rio grande do sul — a state in S Brazil. 107,923 sq. mi. (279,520 sq. km). Capital: Pôrto Alegre.
  • road construction — the building of roads
  • road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
  • roll with a punch — to move in the same direction as a punch thrown at one so as to lessen its force
  • royal institution — a British society founded in 1799 for the dissemination of scientific knowledge
  • rubber plantation — an estate in a tropical country where rubber trees are grown on a large scale
  • rubber-base paint — latex paint.
  • rubberman disease — Ehlers-Danlos syndrome.
  • russian turkestan — a vast region in W and central Asia, E of the Caspian Sea: includes territory in the S central part of Xinjiang province in China (Eastern Turkestan or Chinese Turkestan) a strip of N Afghanistan, and the area (Russian Turkestan) comprising the republics of Kazakhstan, Kirghizia (Kyrgyzstan), Tadzhikistan (Tajikistan), Turkmenistan, and Uzbekistan.
  • russian wolfhound — borzoi.
  • safety in numbers — If you say that there is safety in numbers, you mean that you are safer doing something if there are a lot of people doing it rather than doing it alone.
  • safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
  • saint bonaventure — Saint ("the Seraphic Doctor") 1221–74, Italian scholastic theologian.
  • samurai tradition — the body of customs, thought, practices, etc belonging to the samurai warrior caste of Japan
  • sandringham house — a residence of the royal family, in Sandringham, a village in E England, in Norfolk near the E shore of the Wash
  • saturation diving — a method of prolonged diving, using an underwater habitat to allow divers to remain in the high-pressure environment of the ocean depths long enough for their body tissues to become saturated with the inert components of the pressurized gas mixture that they breathe: when this condition is reached, the amount of time required for decompression remains the same, whether the dive lasts a day, a week, or a month.
  • secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
  • self-perpetuating — continuing oneself in office, rank, etc., beyond the normal limit.
  • 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.
  • selkirk mountains — a mountain range in SW Canada, in SE British Columbia. Highest peak: Mount Sir Sandford, 3533 m (11 590 ft)
  • semi-manufactured — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
  • separating funnel — a large funnel having a tap in its output tube, used to separate immiscible liquids
  • sexual generation — the gametophyte generation in the alternation of generations in plants that produces a zygote from male and female gametes.
  • shirt-tail cousin — a distant cousin
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