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aldehyde

(Encyclopedia)CE5 Aldehydes aldehyde ălˈdəhīd [key] [alcohol + New Lat. dehydrogenatus=dehydrogenated], any of a class of organic compounds that contain the carbonyl group, >C=-->O, and in which t...

Chattanooga

(Encyclopedia)Chattanooga chătˌəno͞oˈgə [key], city (2020 pop. 181,099), seat of Hamilton co., E Tenn., on both ...

Irwin, Robert

(Encyclopedia)Irwin, Robert, 1928–, American painter and sculptor, b. Long Beach, Calif. Irwin was one of the founders of the California-based Light and Space movement. Early in his career, he painted in the abst...

Juppé, Alain

(Encyclopedia)Juppé, Alain älăNˈ zhüpāˈ [key], 1945–, French politician, b. Les Landes. A member of the Gaullist Rally for the Republic (RPR), he entered the Inspection des Finances in 1972. A protegé of ...

multiple personality

(Encyclopedia)multiple personality, a very rare psychological disorder in which a person has two or more distinct personalities, each with its own thoughts, feelings, and patterns of behavior. The personalities oft...

Nichols, Mike

(Encyclopedia)Nichols, Mike, 1931–2014, American actor and director, b. Berlin, Germany, as Mikhail Igor Peschkowsky. His family immigrated to the United States in ...

accent

(Encyclopedia)accent, in speech, emphasis given a particular sound, called prosodic systems in linguistics. There are three basic accentual methods: stress, tone, and length. In English each word has at least one p...

Kennedy, Ted

(Encyclopedia)Kennedy, Ted (Edward Moore Kennedy), 1932–2009, U.S. senator from Massachusetts (1962–2009), b. Boston, Mass., youngest son of Joseph P. Kennedy and the last survivor of brothers Joseph P. Kennedy...

Koch, Edward Irving

(Encyclopedia)Koch, Edward Irving kŏch [key], 1924–2013, U.S. politician, mayor of New York City (1977–89), b. New York City. After receiving his law degree (New York Univ., 1948), he practiced as a lawyer, be...

palladium, chemical element

(Encyclopedia)palladium [Gr. Pallas, goddess of wisdom], metallic chemical element; symbol Pd; at. no. 46; at. wt. 106.42; m.p. 1,554℃; b.p. 2,970℃; sp. gr. 12.02 at 20℃; valence +2, +3, or +4. Palladium is a...