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81earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …
82French literature — Introduction the body of written works in the French language produced within the geographic and political boundaries of France. The French language was one of the five major Romance languages to develop from Vulgar Latin as a result of the …
83Microelectromechanical system oscillator — Microelectromechanical system (MEMS) oscillators are timing devices that generate highly stable reference frequencies. These reference frequencies are used to sequence electronic systems, manage data transfer, define radio frequencies, and… …
84Fortifications britanniques de campagne de la Seconde Guerre mondiale — Casemate hexagonale (type 22) Les fortifications défensives britanniques de la Seconde Guerre mondiale étaient de petites constructions fortifiées construites dans le cadre de la préparation à l invasion allemande. Elles ont été populairement… …
85Narrow gauge railway — Track gauge by size Broad gauge St …
86Jiří Březina — Jiří Březina, born April 6, 1933 in Prague, Czechoslovakia, is a German scientist of Czech origin, a professor of Geology, and an expert in Sand Texture Sedimentology. In 1979 he developed an equation for drag coefficient of a sedimenting… …
87roads and highways — ▪ transportation Introduction traveled way on which people, animals, or wheeled vehicles move. In modern usage the term road describes a rural, lesser traveled way, while the word street denotes an urban roadway. Highway refers to a major… …
88M249 light machine gun — Machine Gun, 5.56 mm, M249 M249 Para Type Squad automatic weapon/Light machine gun Place of …
89Rail transport in South Australia — South Australia was the first colony in Australia to build a railway line. It was a horse drawn tramway from the port of Goolwa on the Murray River to an ocean harbour at Port Elliot in 1854. Today the state has RailGauge|1600 broad gauge… …
90World War II German uniform — This article discusses the uniforms of the World War II Wehrmacht (Army, Air Force, and Navy). For the Waffen SS, see Uniforms and insignia of the Schutzstaffel. German general Alfred Jodl wearing black leather trenchcoat …
