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17-letter words containing r, u, f, i

  • reflection nebula — a cloud of interstellar gas and dust that reflects the light of neighboring stars.
  • reflexive pronoun — A reflexive pronoun is a pronoun such as 'myself' which refers back to the subject of a sentence or clause. For example, in the sentence 'He made himself a cup of tea', the reflexive pronoun 'himself' refers back to 'he'.
  • refuse collection — the collection of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
  • 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 korea — a former country in E Asia, on a peninsula SE of Manchuria and between the Sea of Japan and the Yellow Sea: a kingdom prior to 1910; under Japanese rule 1910–45; now divided at 38° N into North Korea and South Korea. Compare Korean War.
  • republic of palau — a republic comprising a group of islands in the W Pacific, in the W Caroline Islands; administratively part of the UN Trust Territory of the Pacific Islands 1947–87; entered into an agreement of free association with the US (1980); became fully independent in 1994. Chief island: Babelthuap. Capital: Ngerulmud on Babelthuap (functions moved from Koror in 2006). Pop: 21 108 (2013 est). Area: 476 sq km (184 sq miles)
  • republic of yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
  • republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
  • 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.
  • return of capital — A return of capital is a situation in which you receive back money that was previously invested.
  • returning officer — a public official appointed to conduct and preside at an election.
  • 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.
  • road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
  • 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
  • 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
  • self-introduction — the act of introducing or the state of being introduced.
  • self-perpetuating — continuing oneself in office, rank, etc., beyond the normal limit.
  • self-priming pump — A self-priming pump is a pump that will clear its passages of air and start pumping.
  • 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.
  • self-rising flour — Self-rising flour is flour that makes cakes rise when they are cooked because it has chemicals added to it.
  • 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
  • silk manufacturer — a person or business that is involved in the manufacture of silk thread and fabric
  • sixty-fourth note — a note having one sixty-fourth of the time value of a whole note; hemidemisemiquaver.
  • sixty-fourth rest — a rest equal in time value to a sixty-fourth note.
  • skin of our teeth — a play (1942) by Thornton Wilder.
  • south farmingdale — a town on central Long Island, in SE New York.
  • south frigid zone — the part of the earth's surface between the Antarctic Circle and the South Pole.
  • south west africa — a former name of Namibia.
  • south-west africa — a former name of Namibia.
  • southern studfish — See under studfish.
  • spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
  • spiritus frumenti — whiskey.
  • 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 fluoride — a white, crystalline powder, SnF 2 , slightly soluble in water: used as a source of fluorine in the prevention of dental caries, especially as a toothpaste additive.
  • statue of liberty — a large copper statue, on Liberty Island, in New York harbor, depicting a woman holding a burning torch: designed by F. A. Bartholdi and presented to the U.S. by France; unveiled 1886.
  • strike-slip fault — a geological fault on which the movement is along the strike of the fault
  • 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.
  • supreme sacrifice — the sacrifice of one's own life: Many made the supreme sacrifice during the war.
  • the carboniferous — the Carboniferous period or rock system
  • the final curtain — the closing of the curtain at the end of the action of a play
  • thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
  • thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
  • thistle butterfly — any nymphalid butterfly of the genus Vanessa, as the red admiral or painted lady.
  • thuringian forest — a forested mountain region in central Germany: a resort area.
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