Columbia Encyclopedia

Search results

478 results found

momentum

(Encyclopedia)momentum mōmĕnˈtəm [key], in mechanics, the quantity of motion of a body, specifically the product of the mass of the body and its velocity. Momentum is a vector quantity; i.e., it has both a magn...

Hay-Pauncefote Treaties

(Encyclopedia)Hay-Pauncefote Treaties hā-pônsˈfo͝ot [key], negotiated in 1899 and 1901 by Secretary of State John Hay, for the United States, and Lord Pauncefote of Preston, British ambassador to the United Sta...

Herriot, Édouard

(Encyclopedia)Herriot, Édouard ādwärˈ ĕryōˈ [key], 1872–1957, French statesman and man of letters. After beginning an academic career he turned to politics. A moderate leftist, anticlerical, and antimilita...

Granger movement

(Encyclopedia)Granger movement, American agrarian movement taking its name from the National Grange of the Patrons of Husbandry, an organization founded in 1867 by Oliver H. Kelley and six associates. Its local uni...

fugue

(Encyclopedia)fugue fyo͞og [key] [Ital.,=flight], in music, a form of composition in which the basic principle is imitative counterpoint of several voices. Its main elements are: (1) a theme, or subject, stated fi...

Conrad II, ruler of the Holy Roman Empire

(Encyclopedia)Conrad II, c.990–1039, Holy Roman emperor (1027–39) and German king (1024–39), first of the Salian dynasty of the Holy Roman Empire. With the end of the Saxon line on the death of Henry II, the ...

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...

Tecumseh

(Encyclopedia)Tecumseh tĭkŭmˈsē [key], 1768?–1813, chief of the Shawnee, b. probably in Clark co., Ohio. Among his people he became distinguished for his prowess in battle, but he opposed the practice of tort...

Spencer, Herbert

(Encyclopedia)Spencer, Herbert, 1820–1903, English philosopher, b. Derby. In 1848 he moved to London, where he was an editor at The Economist and wrote his first major book, Social Statics (1851), which tried to ...

Whitehead, Alfred North

(Encyclopedia)Whitehead, Alfred North, 1861–1947, English mathematician and philosopher, grad. Trinity College, Cambridge, 1884. There he was a lecturer in mathematics until 1911. At the Univ. of London he was a ...