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17-letter words containing o, r, a, l, s, u

  • pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
  • radioluminescence — luminescence induced by nuclear radiation.
  • recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
  • refuse a proposal — If an insurer refuses a proposal, it does not agree to underwrite a risk proposed by a potential client.
  • res ipsa loquitur — the rule that an injury is due to the defendant's negligence when that which caused it was under his or her control or management and the injury would not have happened had proper management been observed.
  • 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.
  • rio grande do sul — a state in S Brazil. 107,923 sq. mi. (279,520 sq. km). Capital: Pôrto Alegre.
  • royal institution — a British society founded in 1799 for the dissemination of scientific knowledge
  • russell's paradox — a paradox of set theory in which an object is defined in terms of a class of objects that contains the object being defined, resulting in a logical contradiction.
  • russian wolfhound — borzoi.
  • school playground — school's outdoor recreation area
  • scrophulariaceous — belonging to the Scrophulariaceae, the figwort family of plants.
  • secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
  • 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)
  • sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
  • sexual generation — the gametophyte generation in the alternation of generations in plants that produces a zygote from male and female gametes.
  • shetland pullover — a thick woollen sweater made from Shetland wool
  • shirt-tail cousin — a distant cousin
  • situational irony — irony involving a situation in which actions have an effect that is opposite from what was intended, so that the outcome is contrary to what was expected.
  • socratic elenchus — the drawing out of the consequences of a position in order to show them to be contrary to some accepted position
  • sodium-vapor lamp — an electric lamp in which sodium vapor is activated by current passing between two electrodes, producing a yellow, glareless light: used on streets and highways.
  • south farmingdale — a town on central Long Island, in SE New York.
  • south lanarkshire — a council area of S Scotland, comprising the S part of the historical county of Lanarkshire: included within Strathclyde Region from 1975 to 1996: has uplands in the S and part of the Glasgow conurbation in the N: mainly agricultural. Administrative centre: Hamilton. Pop: 303 010 (2003 est). Area: 1771 sq km (684 sq miles)
  • southern triangle — the constellation Triangulum Australe.
  • spiritual bouquet — the spiritual presentation of a good work to another person.
  • spot-illustration — a rounded mark or stain made by foreign matter, as mud, blood, paint, ink, etc.; a blot or speck.
  • square-shouldered — having the shoulders held back, giving a straight form to the upper part of the back.
  • 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.
  • 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.
  • star-of-jerusalem — meadow salsify.
  • 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.
  • statutory holiday — a public holiday; a holiday all workers are entitled to
  • stellar evolution — the sequence of changes that occurs in a star as it ages
  • 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
  • subtractive color — cyan, yellow, or magenta, as used in the subtractive process of color photography.
  • sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
  • super-nationalism — an extreme or fanatical loyalty or devotion to a nation.
  • superalimentation — nourishment; nutrition.
  • supercolumniation — the placing of one order of columns above another.
  • supra-nationalism — outside or beyond the authority of one national government, as a project or policy that is planned and controlled by a group of nations.
  • surrender to bail — to present oneself at court at the appointed time after having been on bail
  • tactile corpuscle — an oval sense organ made of flattened cells and encapsulated nerve endings, occurring in hairless skin, as the tips of the fingers and toes, and functioning as a touch receptor.
  • 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.
  • the major leagues — the two main leagues of professional baseball clubs in the U.S., the National League and the American League
  • the popular press — cheap newspapers with a mass circulation; the tabloid press
  • 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.
  • three-course meal — A three-course meal is a meal that consists of three parts served one after the other.
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