Columbia Encyclopedia

Search results

478 results found

Root, Elihu

(Encyclopedia)Root, Elihu, 1845–1937, American cabinet member and diplomat, b. Clinton, N.Y. Admitted to the bar in 1867, he practiced law in New York City, became prominent in Republican politics, and was appoin...

nucleus, in physics

(Encyclopedia)nucleus, in physics, the extremely dense central core of an atom. Following the discovery of radioactivity by A. H. Becquerel in 1896, Ernest Rutherford identified two types of radiation given off b...

Clark, Ramsey

(Encyclopedia)Clark, William Ramsey, 1927–2021, attorney general of the United States (1967–69), b. Dallas, Tex., Univ. of Texas-Austin (BA, 1949), Univ. of Chica...

hygrometer

(Encyclopedia)hygrometer hīgrŏmˈətər [key], instrument used to measure the moisture content of a gas, as in determining the relative humidity of air. The temperature at which dew or frost forms is a measure of...

Ghose, Aurobindo

(Encyclopedia)Ghose, Aurobindo ôrōbĭnˈdō gōsh [key], 1872–1950, Indian nationalist leader and mystic philosopher. Born in Bengal, he was sent to England and lived there for 14 years, completing his educatio...

genocide

(Encyclopedia)genocide, in international law, the intentional and systematic destruction, wholly or in part, by a government of a national, racial, religious, or ethnic group. Although the term genocide was first c...

MacMahon, Marie Edmé Patrice de

(Encyclopedia)MacMahon, Marie Edmé Patrice de märēˈ ĕdmāˈ pätrēsˈ də mäkmäōNˈ [key], 1808–93, president of the French republic (1873–79), marshal of France. MacMahon, of Irish descent, fought in ...

Suvorov, Aleksandr Vasilyevich

(Encyclopedia)Suvorov, Aleksandr Vasilyevich əlyĭksänˈ dər vəsēˈlyəvĭch so͞ovôˈrəf [key], 1729–1800, Russian field marshal. Suvorov entered the army as a youth and rose rapidly through the ranks. He...

William of Occam

(Encyclopedia)William of Occam or Ockham both: ŏkˈəm [key], c.1285–c.1349, English scholastic philosopher. A Franciscan, Occam studied and taught at Oxford from c.1310 until 1324, when he was summoned to the p...

Tillich, Paul Johannes

(Encyclopedia)Tillich, Paul Johannes tĭlˈĭk [key], 1886–1965, American philosopher and theologian, b. Germany, educated at the universities of Berlin, Tübingen, Halle, and Breslau. In 1912 he was ordained a m...