Columbia Encyclopedia
Search results
500 results found
wheel
(Encyclopedia)wheel. Through the many millennia of the Paleolithic period and the Neolithic period no use of the wheel was known to humans. Its use was not known to the Native Americans until the Europeans introduc...topaz
(Encyclopedia)topaz tōˈpăz [key], aluminum silicate mineral with either hydroxyl radicals or fluorine, Al2SiO4(F,OH)2, used as a gem. It is commonly colorless or some shade of pale yellow to wine-yellow; pale bl...sanitary science
(Encyclopedia)sanitary science, principles of health preservation, embracing hygiene, on an individual level, and public health, on a communal level. Those who specialize in sanitary science are sanitary engineers....Pavlova, Anna Matveyevna
(Encyclopedia)Pavlova, Anna Matveyevna pävlōˈvə, Rus. änˈnə mətvyāˈəvnə pävˈləvə [key], 1881–1931, Russian ballerina. In 1892 she entered the Imperial Ballet School, St. Petersburg. She made her d...Olynthus
(Encyclopedia)Olynthus ōlĭnˈthəs [key], ancient city of Greece, on the peninsula of Chalcidice (now Khalkidhikí), NE of Potidaea. A league of Chalcidic cities grew up in the late 5th cent. b.c., and Olynthus, ...Nejd
(Encyclopedia)Nejd näjd [key], region, central Saudi Arabia. Riyadh, the country's capital and major city, is located there. The Nejd is a vast plateau from 2,500 to 5,000 ft (762–1,524 m) high. There is a chain...Ness, Eliot
(Encyclopedia)Ness, Eliot, 1903–57, American law enforcement officer, b. Chicago, grad. Univ. of Chicago (1925), famous as the leader of the “Untouchables,” the Justice Dept. squad who fought the gangster Al ...Neel, Alice
(Encyclopedia)Neel, Alice, 1900–84, American painter, b. Merion Square, Pa., grad. Philadelphia School of Design for Women (1925). She worked (1933–43) for various Depression-era government arts programs, paint...International Criminal Court
(Encyclopedia)International Criminal Court (ICC), first permanent world court created specifically to try individuals for genocide, war crimes, crimes of aggression, and crimes against humanity, est. 2002; located ...terrorism
(Encyclopedia)terrorism, the threat or use of violence, often against the civilian population, to achieve political or social ends, to intimidate opponents, or to publicize grievances. The term dates from the Reign...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 +-
