17-letter words containing a, i, d, n, t
- radiation therapy — x-rays used as treatment
- radio in the loop — Wireless Local Loop
- radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- rapid prototyping — (programming) The creation of a working model of a software module to demonstrate the feasibility and suitability of the function. The prototype is expected to be replaced or refined before inclusion in the final product. Rapid prototyping contrasts with a DIRFT approach which emphasises careful design and implementation to avoid the overheads of debugging and testing prototype code. Rapid prototyping is appropriate when the requirements are unclear or likely to change (which is most of the time).
- ready and waiting — If you want to emphasize that a person is properly prepared for something, or that something can now be used, you can say that they are ready and waiting.
- received standard — the form of educated English spoken originally in southern England and having Received Pronunciation as a chief distinguishing feature.
- 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
- 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
- remittance advice — a letter sent by a customer to a supplier, to let them know that their invoice has been paid
- repeating decimal — a decimal numeral that, after a certain point, consists of a group of one or more digits repeated ad infinitum, as 2.33333 …. or 23.0218181818 ….
- restraining order — a judicial order to forbid a particular act until a decision is reached on an application for an injunction.
- retained earnings — income not paid out as shares
- retarded ignition — late ignition, which may cause the engine to under-perform
- 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)
- right in the head — sane
- ring-tailed lemur — a Madagascan prosimian primate, Lemur catta, with a long black and white ringed tail
- road construction — the building of roads
- salt-rising bread — a kind of bread leavened with a fermented mixture of salted milk, cornmeal, flour, sugar, and soda.
- 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.
- sanitary landfill — landfill.
- 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.
- sea-island cotton — a long-staple cotton, Gossypium barbadense, raised originally in the Sea Islands and now grown chiefly in the West Indies.
- 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 lieutenant — an Army, Air Force, or Marine officer of the lowest commissioned rank. Compare ensign (def 4).
- 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.
- seine-saint-denis — a department of N central France, in Île-de-France region. Capital: Bobigny. Pop: 1 396 122 (2003 est). Area: 236 sq km (92 sq miles)
- self-administered — to manage (affairs, a government, etc.); have executive charge of: to administer the law.
- self-commendation — the act of commending; recommendation; praise: commendation for a job well done.
- self-condemnation — the act of condemning.
- self-depreciating — self-deprecating.
- self-dissociation — an act or instance of dissociating.
- semi-manufactured — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
- shouting distance — hailing distance.
- 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
- sir arthur harden — Sir Arthur, 1865–1940, English biochemist: Nobel Prize 1929.
- sixth commandment — “Thou shalt not kill”: sixth of the Ten Commandments.
- 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.
- 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.
- south farmingdale — a town on central Long Island, in SE New York.
- south sea islands — the islands in the S Pacific that constitute Oceania
- southern rhodesia — a former name (until 1964) of Zimbabwe (def 1).