Columbia Encyclopedia

Search results

500 results found

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 ...

Blanchot, Maurice

(Encyclopedia)Blanchot, Maurice mōrēsˈ bläNshōˈ [key], 1907–2003, French novelist and literary critic. One of the first intellectuals in France to be interested in questions of language and meaning, he was ...

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 ...

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...

Sarraute, Nathalie

(Encyclopedia)Sarraute, Nathalie nätälēˈ särōtˈ [key], 1900–1999, French novelist, b. Ivanovo, Russia, as Natasha Tcherniak; studied at the Sorbonne and Oxford. A lawyer, she joined (1925) a Paris firm. Sh...

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...

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...

Rivers, Larry

(Encyclopedia)Rivers, Larry, 1923–2002, American artist, b. New York City as Yitzroch Loisa Grossberg. Originally a jazz saxophonist, he turned to art in the 1940s. Reacting against abstract expressionism, Rivers...

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...