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stalactite ornament

(Encyclopedia)stalactite ornament, type of ornament characteristic of Islamic architecture. Generally executed in wood or in plaster over a wood or brick base, it consists of little vertical polygonal or curved nic...

Broecker, Wallace Smith

(Encyclopedia)Broecker, Wallace Smith brōkˈər [key], 1931–2019, American geophysicist, b. Chicago, Ph.D. Columbia, 1958. He was a member of Columbia's faculty from 1959. In the 1970s he predicted rising temper...

bronze, in metallurgy

(Encyclopedia)bronze, in metallurgy, alloy of copper, tin, zinc, phosphorus, and sometimes small amounts of other elements. Bronzes are harder than brasses. Most are produced by melting the copper and adding the de...

Brownlow, William Gannaway

(Encyclopedia)Brownlow, William Gannaway brounˈlō [key], 1805–77, U.S. politician, governor of Tennessee (1865–69), known as the “Fighting Parson,” b. Wythe co., Va. Brownlow won a large following in E Te...

personal watercraft

(Encyclopedia)personal watercraft (PWC), a lightweight vessel usually less than 16 ft (5 m) long that uses an inboard water jet pump, powered by an internal-combustion engine, as its primary source of propulsion. T...

Pickering, Edward Charles

(Encyclopedia)Pickering, Edward Charles, 1846–1919, American astronomer and physicist, b. Boston, grad. Harvard (B.S., 1865); brother of W. H. Pickering. He was professor of physics (1868–77) at the Massachuset...

Yamasaki, Minoru

(Encyclopedia)Yamasaki, Minoru mĭnōˈro͞o yämäsäˈkē [key], 1912–86, American architect, b. Seattle. Yamasaki worked for prominent architectural firms in New York City from 1937 until 1949, when he formed ...

Wasserstein, Wendy

(Encyclopedia)Wasserstein, Wendy, 1950–2006, American playwright, b. Brooklyn, N.Y. Wasserstein, who made a place on the American stage for contemporary women and their concerns, explored such issues as love, ind...

weathering

(Encyclopedia)weathering, collective term for the processes by which rock at or near the earth's surface is disintegrated and decomposed by the action of atmospheric agents, water, and living things. Some of these ...

Cannizzaro, Stanislao

(Encyclopedia)Cannizzaro, Stanislao stänēsläˈō kän-nēt-tsäˈrō [key], 1826–1910, Italian chemist. From 1861 he was professor at Palermo and from 1871 at Rome, where he was also a member of the senate and...