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sugar

(Encyclopedia)sugar, compound of carbon, hydrogen, and oxygen belonging to a class of substances called carbohydrates. Sugars fall into three groups: the monosaccharides, disaccharides, and trisaccharides. The mono...

radical, in chemistry

(Encyclopedia)radical, in chemistry, group of atoms that are joined together in some particular spatial structure and that take part in most chemical reactions as a single unit. Important inorganic radicals include...

Webb, Beatrice Potter

(Encyclopedia)Webb, Beatrice Potter, 1858–1943, English socialist economist; daughter of a wealthy industrialist. She took an early interest in social problems and worked with Charles Booth on his survey of worki...

Burnham, Daniel Hudson

(Encyclopedia)Burnham, Daniel Hudson bûrˈnəm [key], 1846–1912, American architect and city planner b. Henderson, N.Y. He was trained in architects' offices in Chicago. In that city he established (1873) a part...

Tsin

(Encyclopedia)Tsin or Chin both: jhĭn [key], dynasty of China that ruled from 265 to 420, after the period of the Three Kingdoms. It was divided into two phases: the Western Tsin (265–317) and the Eastern Tsin (...

Chamberlain, Sir Austen

(Encyclopedia)Chamberlain, Sir Austen (Joseph Austen Chamberlain) chāmˈbərlĭn [key], 1863–1937, British statesman; son of Joseph Chamberlain and half-brother of Neville Chamberlain. He entered Parliament as a...

Ollivier, Émile

(Encyclopedia)Ollivier, Émile āmēlˈ ôlēvyāˈ [key], 1825–1913, French statesman, a leading figure in the “Liberal Empire” of Napoleon III. Widely known as a brilliant lawyer, he was elected to the legi...

White, Stanford

(Encyclopedia)White, Stanford, 1853–1906, American architect, b. New York City; son of Richard Grant White. In 1872 he entered the office of Gambrill and Richardson in Boston, at the time when H. H. Richardson wa...

Tz'u Hsi

(Encyclopedia)Tz'u Hsi, Tsu Hsi, Tse Hsi, or Cixi all: tso͝o shē [key], 1834–1908, dowager empress of China (1861–1908) and regent (1861–73, 1874–89, 1898–1908). Her failure to realize the gravity of ...

Qian Zhongshu

(Encyclopedia)Qian Zhongshu or Ch'ien Chung-shu, 1910–98, Chinese writer and scholar, grad. Tsinghua Univ., Beijing (1933). After attending Oxford and the Sorbonne, he returned (1939) to China and taught at sever...