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zinc white

(Encyclopedia)zinc white: see zinc oxide.

Dvina, river, Russia

(Encyclopedia)Dvina dvēnäˈ [key] or Northern Dvina, Rus. Severnaya Dvina, river, c.465 mi (750 km) long, N European Russia. It is formed near Veliki Ustyug by the union of the Sukhona and Yug rivers, flows N pas...

Merrimack, river, United States

(Encyclopedia)Merrimack, river, c.110 mi (180 km) long, formed at Franklin, S central N.H., by the junction of the Pemigewasset (rising in the White Mts.) and Winnipesaukee rivers. It flows S past Concord and Manch...

river

(Encyclopedia)river, stream of water larger than a brook or creek. Land surfaces are never perfectly flat, and as a result the runoff after precipitation tends to flow downward by the shortest and steepest course i...

Saco, river, United States

(Encyclopedia)Saco, river, c.105 mi (170 km) long, rising in the White Mts., N central N.H. and flowing SE through Maine to the Atlantic Ocean below Biddeford. The falls at Biddeford, site of a hydroelectric dam (o...

Hudson River school

(Encyclopedia)Hudson River school, group of American landscape painters, working from 1825 to 1875. The 19th-century romantic movements of England, Germany, and France were introduced to the United States by such w...

Grand River, river, Canada

(Encyclopedia)Grand River, c.165 mi (270 km) long, rising in the highlands of the Ontario Peninsula, S Ont., Canada, and flowing S past Kitchener and Brantford, then SE to Lake Erie at Port Maitland. It is navigabl...

Wabash, river, United States

(Encyclopedia)Wabash, river, c.475 mi (765 km) long, rising in Grand Lake, W Ohio, and flowing NW into Ind., then generally SW through Ind., becoming the Ind.-Ill. border before emptying into the Ohio River; larges...

Geary, John White

(Encyclopedia)Geary, John White gērˈē [key], 1819–73, American politician and Union general in the Civil War, b. Mt. Pleasant, Pa. In San Francisco from 1849 to 1852, Geary was the first U.S. postmaster, the l...

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