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gag rules

(Encyclopedia)gag rules, in parliamentary procedure, rules limiting or prohibiting free debate on a particular issue. In U.S. history, the term is applied especially to procedural rules in force in the House of Rep...

Esaki, Leo

(Encyclopedia)Esaki, Leo, 1925–, Japanese physicist, Ph.D. Univ. of Tokyo, 1959. Esaki was a researcher with IBM from 1960 until his retirement in 1992. He then served (1992–98) as president of the Univ. of Tsu...

intaglio

(Encyclopedia)intaglio ĭntălˈyō, –tälˈ– [key], design cut into stone or other material or etched or engraved in a metal plate, producing a concave, instead of a convex, effect. It is the reverse of a reli...

irony

(Encyclopedia)irony, figure of speech in which what is stated is not what is meant. The user of irony assumes that his reader or listener understands the concealed meaning of his statement. Perhaps the simplest for...

Dyson, Sir Frank Watson

(Encyclopedia)Dyson, Sir Frank Watson dīˈsən [key], 1868–1939, English astronomer, b. Ashby-de-la-Zouch, grad. Cambridge. He was astronomer royal of Scotland (1905–10) and of England (from 1910). As director...

color index

(Encyclopedia)color index, in astronomy, difference in an object's brightness as recorded between any two well-defined bands of the electromagnetic spectrum by using optical filters of different colors. If blue and...

Civilis

(Encyclopedia)Civilis (Julius Civilis) sĭvīˈlĭs [key], fl. a.d. 70, Batavian chief who chose the unsettled period at the fall of Nero to raise a revolt in Germany, which quickly spread to Gaul (a.d. 69–70). I...

photoengraving

(Encyclopedia)photoengraving, photomechanical process in the graphic arts, used principally for reproducing illustrations. The subject is photographed, and the image is recorded on a sensitized metal plate, which i...

Tyndall, John

(Encyclopedia)Tyndall, John tĭnˈdəl [key], 1820–93, British physicist, b. Ireland. He became (1853) professor of natural philosophy at the Royal Institution and in 1867 succeeded Michael Faraday, his friend an...

Tsui, Daniel Chee

(Encyclopedia)Tsui, Daniel Chee, 1938–, Chinese-American physicist, b. Henan, China, Ph.D. Univ. of Chicago, 1967. He was a member of the technical staff at Bell Labs in Murray Hill, N.J., from 1968 to 1982, when...