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drift
(Encyclopedia) drift, deposit of mixed clay, gravel, sand, and boulders transported and laid down by glaciers. Stratified, or glaciofluvial, drift is carried by waters flowing from the melting ice of…Kilby, Jack St. Clair
(Encyclopedia) Kilby, Jack St. Clair, 1923–2005, American electrical engineer, b. Jefferson City, Mo., B.S. Univ. of Illinois, 1947, M.S. Univ. of Wisconsin, 1950. In 1958, Kilby began working for…kagu
(Encyclopedia) kagukagukäˈg&oomacr; [key], common name for a long-legged, heronlike bird, Rhynochetos jubatus. It has a loose, gray plumage with darker bandings; broad, rounded wings marked with…legislative apportionment
(Encyclopedia) legislative apportionment, subdivision of a political body (e.g., a state or province) for the purpose of electing legislative representatives. In the United States, the Constitution…mule, in zoology
(Encyclopedia) mule, hybrid offspring of a male donkey (see ass) and a female horse, bred as a work animal. The name is also sometimes applied to the hinny, the offspring of a male horse and female…Brownian movement
(Encyclopedia) Brownian movement or motion, zigzag, irregular motion exhibited by minute particles of matter when suspended in a fluid. The effect has been observed in all types of colloidal…van der Waals, Johannes Diderik
(Encyclopedia) van der Waals, Johannes Diderikvan der Waals, Johannes Diderikyōhäˈnəs dēˈdərĭk vän dər väls [key], 1837–1923, Dutch physicist. It had been known for some time that the behavior of…caviar
(Encyclopedia) caviar or caviarecaviarkăvˈēär [key], the roe (eggs) of various species of sturgeon prepared as a piquant table delicacy. The ovaries of the fish are beaten to loosen the eggs, which…pine nut
(Encyclopedia) pine nut or piñonpiñonpĭnˈyən, pēˈnyōn [key], edible seed of various species of pine trees. Among the North American species that bear such edible seeds are the nut pines or piñons,…petrel
(Encyclopedia) petrelpetrelpĕˈtrəl [key], common name given various oceanic birds belonging, like the albatross and the shearwater, to the order known commonly as tube-nosed swimmers. There are two…Trending
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