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bromide

(Encyclopedia)bromide, any of a group of compounds that contain bromine and a more electropositive element or radical. Bromides are formed by the reaction of bromine or a bromide with another substance; they are wi...

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...

Bruton, John

(Encyclopedia)Bruton, John bro͞oˈtən [key], 1947–, Irish politician, b. Dublin. A lawyer and farm owner, he is a member of the centrist Fine Gael party. Bruton was first elected to the Irish parliament in 1969...

Whitney, William Collins

(Encyclopedia)Whitney, William Collins, 1841–1904, American financier and political leader, b. Conway, Mass. After attending (1863–64) Harvard law school, he moved to New York City, became successful as a corpo...

MacDonald, Ramsay

(Encyclopedia)MacDonald, Ramsay (James Ramsay McDonald), 1866–1937, British statesman, b. Scotland. The illegitimate son of a servant, he went as a young man to London, where he joined the Social Democratic Feder...

chromium

(Encyclopedia)chromium krōˈmēəm [key] [Gr.,=color], metallic chemical element; symbol Cr; at. no. 24; at. wt. 51.9961; m.p. about 1,857℃; b.p. 2,672℃; sp. gr. about 7.2 at 20℃; valence +2, +3, +6. Chromiu...

radiation sickness

(Encyclopedia)radiation sickness, harmful effect produced on body tissues by exposure to radioactive substances. The biological action of radiation is not fully understood, but it is believed that a disturbance in ...

metallurgy

(Encyclopedia)metallurgy mĕtˈəlûrˌjē [key], science and technology of metals and their alloys. Modern metallurgical research is concerned with the preparation of radioactive metals, with obtaining metals econ...

Modrich, Paul Lawrence

(Encyclopedia)Modrich, Paul Lawrence, 1946–, American biochemist and molecular geneticist, b. Raton, N.M., Ph.D. Stanford Univ., 1973. Modrich joined the faculty at the Duke Univ. School of Medicine in 1976, and ...

MacVeagh, Isaac Wayne

(Encyclopedia)MacVeagh, Isaac Wayne məkvāˈ [key], 1833–1917, American political figure, U.S. Attorney General (1881), b. Chester co., Pa. A lawyer, he was the son-in-law of Simon Cameron, Republican boss of Pe...