Columbia Encyclopedia
Search results
500 results found
gasohol
(Encyclopedia)gasohol, a gasoline extender made from a mixture of gasoline (90%) and ethanol (10%; often obtained by fermenting agricultural crops or crop wastes) or gasoline (97%) and methanol, or wood alcohol (3%...Dust Bowl
(Encyclopedia)Dust Bowl, the name given to areas of the U.S. prairie states that suffered ecological devastation in the 1930s and then to a lesser extent in the mid-1950s. The problem began during World War I, when...Fellenberg, Philipp Emanuel von
(Encyclopedia)Fellenberg, Philipp Emanuel von fēˈlĭp āmäˈno͞oĕl fən fĕlˈənbĕrkh [key], 1771–1844, Swiss educator and agriculturist. He purchased (1799) an estate, Hofwyl (near Bern), where he put int...Harijans
(Encyclopedia)Harijans hârˈĭjănzˌ [key] [children of God], in India, individuals who are at the bottom of or outside the Hindu caste system. They were traditionally sweepers, washers of clothes, leatherworkers...Young, Ella Flagg
(Encyclopedia)Young, Ella Flagg, 1845–1918, American educator, b. Buffalo, N.Y. She was identified with the Chicago public school system for 53 years, as teacher, principal, and superintendent of schools (1909–...Thwing, Charles Franklin
(Encyclopedia)Thwing, Charles Franklin twĭng [key], 1853–1937, American educator and Congregational clergyman, b. New Sharon, Maine, grad. Harvard, 1876, and Andover Theological Seminary, 1879. Until 1890 he ser...Gildersleeve, Virginia Crocheron
(Encyclopedia)Gildersleeve, Virginia Crocheron, 1877–1965, American educator, b. New York City, grad. Columbia (B.A., Barnard, 1899; Ph.D., 1908). She was professor of English at Barnard from 1900 to 1911, when s...Bryson, Lyman
(Encyclopedia)Bryson, Lyman, 1888–1959, American educator, b. Valentine, Nebr., grad. Univ. of Michigan (B.A., 1910; M.A., 1915). He taught there from 1913 to 1917. From 1918 to 1924 he was active in Red Cross wo...Chongqing
(Encyclopedia)Chongqing cho͞ongˈkĭngˈ [key], city and independent municipality, 592 sq mi (1,534 sq km), in SE ...Harris, William Torrey
(Encyclopedia)Harris, William Torrey, 1835–1909, American educator and philosopher, b. Windham co., Conn., educated at Yale. He was superintendent (1868–80) of the St. Louis public school system and was U.S. co...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
