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El Centro
(Encyclopedia)El Centro ĕl sĕnˈtrō [key], city (2020 pop. 44,322), seat of Imperial co., SE Calif., near the ...krypton
(Encyclopedia)krypton krĭpˈtŏn [key] [Gr.,=hidden], gaseous chemical element; symbol Kr; at. no. 36; at. wt. 83.798; m.p. −156.6℃; b.p. −152.3℃; density 3.73 grams per liter at STP; valence usually 0. Kr...barium
(Encyclopedia)barium bârˈēəm [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, silver-white, ...barometer
(Encyclopedia)CE5 Aneroid barometer barometer bərŏmˈətər [key], instrument for measuring atmospheric pressure. It was invented in 1643 by the Italian scientist Evangelista Torricelli, who used a column...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). The centrifugal ...insulation
(Encyclopedia)insulation ĭnˌsəlāˈshən, ĭnˌsyo͝o– [key], use of materials or devices to inhibit or prevent the conduction of heat or of electricity. Common heat insulators are, fur, feathers, fiberglass, ...Magendie, François
(Encyclopedia)Magendie, François fräNswäˈ mäzhäNdēˈ [key], 1783–1855, French physician. He taught at the Collège de France and is considered a founder of experimental physiology. He distinguished the mot...Rantoul
(Encyclopedia)Rantoul rănto͞olˈ [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 Aerospace Museum and the Korea...Holyoke
(Encyclopedia)Holyoke hōˈlē-ōkˌ, hōlˈyōk [key], city (2020 pop. 38,238), Hampden co., S cen...Kailua
(Encyclopedia)Kailua käēlo͞oˈə [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 station is in Kailua and ...Browse by Subject
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