17-letter words containing d, i, s, t, o, r
- pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
- radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- radioactive waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
- redistributionist — a person who believes in, advocates, or supports income redistribution.
- reduce to silence — If someone or something reduces you to silence, they make you feel so upset or confused that you cannot speak.
- registered office — official business address
- registered stocks — stocks officially registered to the name of the owner
- reiter's syndrome — a disease of unknown cause, occurring primarily in adult males, marked by urethritis, conjunctivitis, and arthritis.
- reported question — A reported question is a question which is reported using a clause beginning with a word such as 'why' or 'whether', as in 'I asked her why she'd done it'.
- restraining order — a judicial order to forbid a particular act until a decision is reached on an application for an injunction.
- rhode island bent — a European pasture grass, Agrostis tenuis, naturalized in North America, having red flower clusters.
- 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)
- road construction — the building of roads
- samurai tradition — the body of customs, thought, practices, etc belonging to the samurai warrior caste of Japan
- sandro botticelli — Sandro [san-droh,, sahn-;; Italian sahn-draw] /ˈsæn droʊ,, ˈsɑn-;; Italian ˈsɑn drɔ/ (Show IPA), (Alessandro di Mariano dei Filipepi) 1444?–1510, Italian painter.
- santa rosa island — an island off the coast of California, in the Santa Barbara (Channel Islands) of California. 17 miles (27 km) long.
- 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.
- second derivative — the derivative of the derivative of a function: Acceleration is the second derivative of distance with respect to time.
- second generation — being the second generation of a family to be born in a particular country: the oldest son of second-generation Americans.
- second-generation — being the second generation of a family to be born in a particular country: the oldest son of second-generation Americans.
- 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-reproduction — the act or process of reproducing.
- sheltered housing — accommodation designed esp for the elderly or infirm consisting of a group of individual premises, often with some shared facilities and a caretaker
- sinbad the sailor — a merchant in The Arabian Nights who makes seven adventurous voyages
- single-track road — a road that is only wide enough for one vehicle
- sleep deprivation — a condition in which you have not had enough sleep
- slenderness ratio — aspect ratio (def 4a).
- slenderness-ratio — Aeronautics. the ratio of the span of an airfoil to its mean chord.
- social democratic — A social democratic party is a political party whose principles are based on social democracy.
- 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.
- sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
- sodium pyroborate — borax1 .
- sorolla y bastida — Joaquín [hwah-keen] /ʰwɑˈkin/ (Show IPA), 1863–1923, Spanish painter.
- 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.
- southern rhodesia — a former name (until 1964) of Zimbabwe (def 1).
- southern studfish — See under studfish.
- spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
- 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.
- speed restriction — the maximum speed allowed for road vehicles, trains, or other vehicles
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- spotted sandpiper — a North American sandpiper, Actitis macularia, that has brownish-gray upper parts and white underparts, and is spotted with black in the summer.
- 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.
- 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.
- statutory holiday — a public holiday; a holiday all workers are entitled to
- subordinated debt — a debt that an unsecured creditor can only claim, in the event of a liquidation, after the claims of secured creditors have been paid
- 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.