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barium
(Encyclopedia) bariumbariumbârˈēəm [key] [Gr.,=heavy], metallic chemical element; symbol Ba; at. no. 56; at. wt. 137.327; m.p. 725℃; b.p. 1,640℃; sp. gr. 3.5 at 20℃; valence +2. Barium is a soft,…barometer
(Encyclopedia) CE5 Aneroid barometer barometerbarometerbərŏmˈətər [key], instrument for measuring atmospheric pressure. It was invented in 1643 by the Italian scientist Evangelista Torricelli…pump
(Encyclopedia) pump, device to lift, transfer, or increase the pressure of a fluid (gas or liquid) or to create a vacuum in an enclosed space by the removal of a gas (see vacuum pumps under vacuum).…Magendie, François
(Encyclopedia) Magendie, FrançoisMagendie, FrançoisfräNswäˈ mäzhäNdēˈ [key], 1783–1855, French physician. He taught at the Collège de France and is considered a founder of experimental physiology. He…Holyoke
(Encyclopedia) Holyoke Holyoke hōˈlē-ōkˌ, hōlˈyōk [key], city (2020 pop. 38,238),…Kailua
(Encyclopedia) KailuaKailuakäēl&oomacr;ˈə [key], uninc. city (1990 pop. 36,818), Honolulu co., Hawaii, on the southeastern coast of Oahu, on Kailua Bay. A Univ. of Hawaii agricultural experiment…Rantoul
(Encyclopedia) RantoulRantoulrănt&oomacr;lˈ [key], village (1990 pop. 17,212), Champaign co., E Ill., in a rich blackland farm area that yields corn and soybeans; inc. 1868. The Octave Chanute…Springdale
(Encyclopedia) Springdale, city (1990 pop. 29,941), Benton and Washington counties, NW Ark.; inc. 1878. It is a poultry-processing center, and there is vegetable canning, printing, and the…Surgeon General, United States
(Encyclopedia) Surgeon General, United States, former head of the U.S. Public Health Service, which is responsible for protecting the people's health (see public health). Since a 1986 reorganization…Blériot, Louis
(Encyclopedia) Blériot, LouisBlériot, Louislwē blārēōˈ [key], 1872–1936, French aviator and inventor. He devoted the fortune acquired by his invention of an automobile searchlight to the invention…Trending
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