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Shanghai Tower

(Encyclopedia)Shanghai Tower, skyscraper in Shanghai, China. Largely completed in 2015 but not opened until 2017, it is the second-tallest building in the world and the tallest structure in China, standing 2,073 ft...

Irwin, Robert

(Encyclopedia)Irwin, Robert, 1928–, American painter and sculptor, b. Long Beach, Calif. Irwin was one of the founders of the California-based Light and Space movement. Early in his career, he painted in the abst...

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...

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...

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, ...

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...

Child, Sir John

(Encyclopedia)Child, Sir John, d. 1690, English administrator in India. In 1680 he was appointed the British East India Company's agent at Surat, then the company's main factory (i.e., trading station) in W India. ...

Han, rivers, China

(Encyclopedia)Han. 1 River of S China, 210 mi (338 km) long, rising in W Fujian prov. and flowing S through Guangdong prov. to the South China Sea at Shantou; navigable for about 100 mi (160 km) upstream. The dense...

Gatineau, city, Canada

(Encyclopedia)Gatineau gătˈĭnō [key], city, SW Que., Canada, at the junction of the Gatineau and Ottawa ...