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benzene

(Encyclopedia)benzene bĕnˈzēn, bĕnzēnˈ [key], colorless, flammable, toxic liquid with a pleasant aromatic odor. It boils at 80.1℃ and solidifies at 5.5℃. Benzene is a hydrocarbon, with formula C6H6. The s...

saturation, of an organic compound

(Encyclopedia)saturation, of an organic compound, condition occurring when its molecules contain no double or triple bonds and thus cannot undergo addition reactions. For example, ethane (H3C–CH3) is a saturated ...

welding

(Encyclopedia)welding, process for joining separate pieces of metal in a continuous metallic bond. Cold-pressure welding is accomplished by the application of high pressure at room temperature; forge welding (forgi...

Horsley, Sir Victor Alexander Haden

(Encyclopedia)Horsley, Sir Victor Alexander Haden, 1857–1916, English surgeon and neurologist. A specialist in surgery of the endocrine glands and the nervous system, he devised a noted operation for spinal-cord ...

Hyperion, in astronomy

(Encyclopedia)Hyperion hīpērˈēən [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn VII (or S7), Hyperion is the largest highly irregular (nonspherical) body in...

couvade

(Encyclopedia)couvade ko͞ovädˈ [key], imitation by the father of many of the concomitants of childbirth, at the time of his wife's parturition. The father may retire into seclusion as well as observe various tab...

Leggett, Sir Anthony James

(Encyclopedia)Leggett, Sir Anthony James, 1938–, British physicist, Ph.D. Oxford, 1964. He was a professor at Sussex Univ., England, from 1967 to 1983, when he joined the faculty at the Univ. of Illinois at Urban...

Keith, James Francis Edward

(Encyclopedia)Keith, James Francis Edward, 1696–1758, Scottish field marshal of Prussia; brother of George Keith, 10th earl marischal [marshal] of Scotland. He participated in the Jacobite uprising of 1715 and in...

Monboddo, James Burnett, Lord

(Encyclopedia)Monboddo, James Burnett, Lord, 1714–99, English writer, b. Scotland. A pioneer in anthropology, he wrote Of the Origin and Progress of Language (6 vol., 1774–92), in which he anticipated Darwin an...

Mirrlees, Sir James Alexander

(Encyclopedia)Mirrlees, Sir James Alexander, 1936–2018, Scottish economist, Ph.D. He taught at Cambridge (1963–69, 1995–2003), Oxford (1969–95), and Chinese University of Hong Kong (2002–18). Building on ...

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