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18-letter words containing d, r, y, a

  • pyrosulphuric acid — a fuming liquid acid made by adding sulphur trioxide to concentrated sulphuric acid. Formula: H2S2O7
  • quarry-tiled floor — a floor covered with square or diamond-shaped unglazed floor tiles
  • racially motivated — motivated by (the hate or prejudice of) someone's race
  • radiant efficiency — the ratio of the power emitted by a source of radiation to the power consumed by it
  • radius of gyration — the distance from an axis at which the mass of a body may be assumed to be concentrated and at which the moment of inertia will be equal to the moment of inertia of the actual mass about the axis, equal to the square root of the quotient of the moment of inertia and the mass.
  • random walk theory — the theory that the future movement of share prices does not reflect past movements and therefore will not follow a discernible pattern
  • rapid eye movement — rapidly shifting, continuous movements of the eyes beneath closed lids during the stage of sleep characterized by dreaming.
  • ready when you are — If you say to someone 'Ready when you are', you are telling them that you are now ready to do something and that as soon as they are ready, you will do it.
  • rear its ugly head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
  • reduction strategy — (theory)   An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
  • redundancy payment — a sum of money given by an employer to an employee who has been made redundant: usually calculated on the basis of the employee's rate of pay and length of service
  • refrigerated lorry — a lorry which is chilled in the back as for storing food
  • registered charity — official aid organization
  • registered company — a company which has officially registered its business
  • remembrance sunday — the second Sunday in November, which is the Sunday closest to November 11, the anniversary of the armistice of 1918 that ended World War I, on which the dead of both World Wars are commemorated
  • repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
  • restoration comedy — English comedy of the period of the Restoration, stressing manners and social satire.
  • rheims-douay bible — Douay Bible.
  • rhondda cynon taff — a county borough in S Wales, created from part of Mid Glamorgan in 1996. Pop: 231 600 (2003 est). Area: 558 sq km (215 sq miles)
  • rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
  • richard p. feynman — (person, computing, architecture)   /fayn'mn/ 1918-1988. A US physicist, computer scientist and author who graduated from Massachusetts Institute of Technology and Princeton. Feynmane was a key figure in helping Oppenheimer and team develop atomic bomb. In 1950 he became a professor at Caltech and in 1965 became Nobel Prize Laureate in Physics for QED (quantum electrodynamics). He was a primary figure in "solving" the Challenger disaster O-ring problem. He "rediscovered" the former Soviet Socialist Republic of Tuva. The 2001 film "Infinity" about Feynman's early life featured Matthew Broderick and Patricia Arquette. In 2001, "QED", a play about Feynman's life featuring Alan Alda opened.
  • ride a hobby horse — an activity or interest pursued for pleasure or relaxation and not as a main occupation: Her hobbies include stamp-collecting and woodcarving.
  • saint george's day — April 23, celebrated in parts of the British Commonwealth in honor of the patron saint of Britain and especially in New Zealand as a bank holiday.
  • science dictionary — a specialized dictionary covering terms in the life, earth, and physical sciences, such as the online Science Dictionary on Dictionary.com. A science dictionary includes many technical terms with precise, specialized meanings—terms not normally found in general dictionaries—making it an invaluable resource for students and professionals in scientific fields.
  • search-and-destroy — designed to find and destroy by bombing etc
  • secondary consumer — (in the food chain) a carnivore that feeds only upon herbivores.
  • secondary deviance — deviant behavior that results from being publicly labeled as deviant and treated as an outsider.
  • secondary diagonal — a diagonal line or plane.
  • secondary emission — the emission of electrons (secondary electrons) from a material that is bombarded with electrons or ions.
  • secondary industry — manufacturing, services, etc.
  • secondary offering — the sale of a large block of outstanding stock off the floor of an exchange, usually by a major stockholder.
  • secondary recovery — extraction of oil or natural gas under artificially induced pressure after the natural flow has ceased.
  • secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
  • self-contradictory — an act or instance of contradicting oneself or itself.
  • self-deprecatingly — in a self-deprecating manner
  • september holidays — a period of time in September when people do not have to go to school, college or work
  • shaggy dog (story) — a long, rambling joke, typically involving ludicrously unreal or irrational behavior and usually having an irrelevant conclusion
  • smart battery data — (hardware, protocol)   (SBD) A method to monitor a rechargeable battery pack, initiated by Duracell and Intel. An special IC in the battery pack monitors the battery and reports information to the SMBus. This information might include: type, model number, manufacturer, characteristics, discharge rate, predicted remaining capacity, almost-discharged alarm so that the PC can shut down gracefully; temperature and voltage to provide safe fast-charging.
  • solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
  • sound and the fury — a novel (1929) by William Faulkner.
  • spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
  • stand-by generator — an electrical system which operates automatically in case the usual system malfunctions
  • stand-by passenger — someone who buys a (usually cheaper) ticket, if they are still available, on a plane just before it is about to leave rather than booking in advance
  • strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
  • study hall teacher — a teacher who supervises or helps students during a period of time or lesson used for studying
  • submaxillary gland — submandibular gland.
  • subsidiary company — a company whose controlling interest is owned by another company.
  • sulfuric anhydride — sulfur trioxide.
  • summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
  • superciliary ridge — browridge.
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