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Quonset Point

(Encyclopedia)Quonset Point kwŏnˈsĭt [key], peninsula extending into Narragansett Bay, S R.I., in the town of North Kingstown. In World War II the peninsula became the site of a naval air station and constructio...

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, ...

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 ...

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 ...

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...

Yerba Buena Island

(Encyclopedia)Yerba Buena Island, 300 acres (121 hectares), W Calif., in San Francisco Bay. It is the midpoint of the San Francisco–Oakland Bay Bridge, which crosses the island through a tunnel. There are coast g...