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Cassirer, Ernst

(Encyclopedia)Cassirer, Ernst ĕrnst käsērˈər [key], 1874–1945, German philosopher. He was a professor at the Univ. of Hamburg from 1919 until 1933, when he went to Oxford; he later taught at Yale and Columbi...

cofferdam

(Encyclopedia)cofferdam, temporary barrier for excluding water from an area that is normally submerged. Made commonly of wood, steel, or concrete sheet piling (see pile), cofferdams are used in constructing the fou...

elevation

(Encyclopedia)elevation, vertical distance from a datum plane, usually mean sea level to a point above the earth. Often used synonymously with altitude, elevation is the height on the earth's surface and altitude, ...

Greenbelt

(Encyclopedia)Greenbelt, city (2020 pop. 24,921), Prince Georges co., W central Md., a residential suburb of Washington, D.C.; chartered 1937. Greenbelt was planned a...

White, Robert Michael

(Encyclopedia)White, Robert Michael, 1924–2010, American aviator, b. New York City. A fighter pilot during World War II, he was shot down over Germany and held in a prisoner-of-war camp (Feb.–Apr, 1945); he was...

sinus

(Encyclopedia)CE5 Sinuses of the face sinus, cavity or hollow space in the body, usually filled with air or blood. In humans the paranasal sinuses, mucus-lined cavities in the bones of the face, are connected b...

oceanography

(Encyclopedia)oceanography, study of the seas and oceans. The major divisions of oceanography include the geological study of the ocean floor (see plate tectonics) and features; physical oceanography, which is conc...

Feyjóo y Montenegro, Benito Gerónimo

(Encyclopedia)Feyjóo y Montenegro, Benito Gerónimo bānēˈtō hārōˈnēmō fāēhōˈō ē mōntānāˈgrō [key], 1676–1764, Spanish Benedictine scholar and critic, abbot at Oviedo, Asturias. Feyjóo led in...

Gray, Stephen

(Encyclopedia)Gray, Stephen, 1666–1736, English physicist. Gray, a dyer by trade, cultivated science as a hobby. In 1696 he published an account of a magnifying glass that interested the Royal Society and from th...

Gordon and Betty Moore Foundation

(Encyclopedia)Gordon and Betty Moore Foundation, private philanthropic organization established in 2000 by Gordon Moore, co-founder of Intel Corp., and his wife Betty. The foundation funds projects in science and e...