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121electric motor — motor (def. 4). [1885 90] * * * Introduction any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena. Most electric motors develop their mechanical torque by the… …
122Elizabeth I — (Elizabeth Tudor) 1533 1603, queen of England 1558 1603 (successor of Mary I; daughter of Henry VIII and Anne Boleyn). * * * born Sept. 7, 1533, Greenwich, near London, Eng. died March 24, 1603, Richmond, Surrey Queen of England (1558–1603).… …
123photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …
124tornado — tornadic /tawr nad ik, nay dik/, adj. tornadolike, adj. /tawr nay doh/, n., pl. tornadoes, tornados. 1. a localized, violently destructive windstorm occurring over land, esp. in the Middle West, and characterized by a long, funnel shaped cloud… …
125Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
126nature, philosophy of — Introduction the discipline that investigates substantive issues regarding the actual features of nature as a reality. The discussion here is divided into two parts: the philosophy of physics and the philosophy of biology. In this… …
127radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… …
128Blackthorne — Infobox VG| title = Blackthorne developer = Blizzard Entertainment publisher = Interplay designer = engine = released = 1994 (SNES and MS DOS), 1995 (Sega 32X), 1996 (Mac), 2003 (Gba) genre = Cinematic Platformer modes = Single player ratings =… …
