Columbia Encyclopedia
Search results
500 results found
hallucination
(Encyclopedia)hallucination, false perception characterized by a distortion of real sensory stimuli. Common types of hallucination are auditory, i.e., hearing voices or noises and visual, i.e., seeing people that a...rift valley
(Encyclopedia)rift valley, elongated depression, trough, or graben in the earth's crust, bounded on both sides by normal faults and occurring on the continents or under the oceans. The central flat block forming th...bipolar disorder
(Encyclopedia)bipolar disorder, formerly manic-depressive disorder or manic-depression, severe mental disorder involving manic episodes that are usually accompanied by episodes of depression. The term “manic-depr...Turpan
(Encyclopedia)Turpan to͝orˈfänˈ [key], town and oasis (1994 est. pop. 64,300), in the Turpan depression (c.5,000 sq mi/12,950 sq km), E Xinjiang Uygur Autonomous Region, China. It is an agricultural center prod...swamp
(Encyclopedia)swamp, shallow body of water in a low-lying, poorly drained depression, usually containing abundant plant growth dominated by trees, such as cypress, and high shrubs. Swamps develop in moist climates,...Hall of Fame for Great Americans
(Encyclopedia)Hall of Fame for Great Americans, national shrine, on the campus of Bronx Community College of the City Univ. of New York, Bronx, New York City; est. 1900. The Hall of Fame, a 630-ft (192-m) colonnade...Great Lakes, lakes and region, E Africa
(Encyclopedia)Great Lakes, group of freshwater lakes lying along the Great Rift Valley, E Africa, including Lakes Victoria, Tanganyika, Nyasa, Turkana, Albert, Kivu, and Edward. Lakes Victoria, Albert, and Edward e...Great Seal of the United States
(Encyclopedia)Great Seal of the United States: see United States, Great Seal of the. ...Seal of the United States, Great
(Encyclopedia)Seal of the United States, Great: see United States, Great Seal of the. ...Prime Ministers of Great Britain (table)
(Encyclopedia)Prime Ministers of Great Britain 1 The modern party system did not evolve until the end of the 18th cent. ...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 +-
