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coulomb

(Encyclopedia)coulomb ko͞oˈlŏm [key] [for C. A. de Coulomb], abbr. coul or C, unit of electric charge. The absolute coulomb, the current U.S. legal standard, is the amount of charge transferred in 1 second by a ...

Cooney, Joan Ganz

(Encyclopedia)Cooney, Joan Ganz, 1929–, American television producer, b. Phoenix, Ariz. After graduating (1951) from the Univ. of Arizona, Cooney worked as a newspaper reporter and television publicist for ten ye...

hotbed

(Encyclopedia)hotbed, low, glass-covered frame structure for starting tender plants. It differs from a cold frame only in that the soil is heated—either artificially as by underground electric wiring or steampipe...

Hough, George Washington

(Encyclopedia)Hough, George Washington hŭf [key], 1836–1909, American astronomer, b. Montgomery co., N.Y., grad. Union College, 1856. He discovered 627 double stars and made systematic studies of the surface of ...

ammonium chloride

(Encyclopedia)ammonium chloride əmōˈnēəm klôrˈīd [key], chemical compound, NH4Cl, a white or colorless, odorless, water-soluble, cubic crystalline salt with a biting taste, commonly known as sal ammoniac. I...

Niagara Falls, city, Canada

(Encyclopedia)Niagara Falls, city (1991 pop. 75,399), S Ont., Canada, on the Niagara River opposite Niagara Falls, N.Y. Formerly called Clifton, it is a port of entry, an important industrial city, and the home of ...

Oroville Dam

(Encyclopedia)Oroville Dam, 770 ft (235 m) high and 7,600 ft (2,317 m) long, on the Feather River, N Calif., near the city of Oroville. The highest dam in the United States and the largest unit of the Feather River...

Brantford

(Encyclopedia)Brantford, city, S Ont., Canada, on the Grand River. It is a leading manufacturing city, noted particularly for its large farm implement factories. The ...

Benz, Karl

(Encyclopedia)Benz, Karl bĕnts [key], 1844–1929, German engineer, credited with building the first automobile powered by an internal-combustion engine. The car, driven in Mannheim in 1885 and patented in 1886, h...

Tomsk

(Encyclopedia)Tomsk tŏmsk, Rus. tômsk [key], city (1989 pop. 502,000), capital of Tomsk region, W central Siberian Russia, on the Tom River. It is a major river port and freight transit point, and is a regional h...