17-letter words containing d, a, r, n
- radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- radioluminescence — luminescence induced by nuclear radiation.
- railroad crossing — place for vehicles to cross train tracks
- 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).
- rattle one's dags — to hurry up
- 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.
- reading knowledge — the ability to read a language, but not speak it
- 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.
- receding forehead — a forehead which slopes backwards
- receding hairline — hair that is thinning at the front
- 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
- recurring decimal — Mathematics. repeating decimal.
- red and the black — a novel (1832) by Stendhal.
- 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
- reed canary grass — any of various grasses of the genus Phalaris, as P. canariensis, native to the Canary Islands, bearing seed used as food for cage birds, or P. arundinacea (reed canary grass) used throughout the Northern Hemisphere as fodder.
- regulated tenancy — (in Britain) the letting of a dwelling by a nonresident private landlord, usually at a registered fair rent, from which the landlord cannot evict the tenant without a possession order from a court
- 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
- revealed religion — religion based chiefly on the revelations of God to humans, especially as described in Scripture.
- 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
- 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
- ross and cromarty — a historic county in NW Scotland.
- rubberman disease — Ehlers-Danlos syndrome.
- rural development — social or economic activities or initiatives designed to improve the standard of living in areas far away from large towns or cities
- russell, bertrand — Bertrand Russell
- russian wolfhound — borzoi.
- sacred roman rota — rota1 (def 3).
- sacrificial anode — Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
- 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
- san andreas fault — an active strike-slip fault in W United States, extending from San Francisco to S California and forming the on-land portion of the western margin of the North American Plate.
- san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
- sandringham house — a residence of the royal family, in Sandringham, a village in E England, in Norfolk near the E shore of the Wash
- 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.
- school playground — school's outdoor recreation area
- search and rescue — Search and rescue operations involve looking for people who are lost or in danger, for example, after a war or a natural disaster, and bringing them back safely.
- second balkan war — Balkan War (def 2).