Columbia Encyclopedia
Search results
500 results found
tornado
(Encyclopedia)tornado, dark, funnel-shaped cloud containing violently rotating air that develops below a heavy cumulonimbus cloud mass and extends toward the earth. The funnel twists about, rises and falls, and whe...Grandview
(Encyclopedia)Grandview, city (2020 pop. 26,209), Jackson co., W Mo., S of Kansas City; inc. 1912. Hardware, chemicals, transportation equipment, apparel, steel, proc...Monroe Doctrine
(Encyclopedia)Monroe Doctrine, principle of American foreign policy enunciated in President James Monroe's message to Congress, Dec. 2, 1823. It initially called for an end to European intervention in the Americas,...coercion
(Encyclopedia)coercion, in law, the unlawful act of compelling a person to do, or to abstain from doing, something by depriving him of the exercise of his free will, particularly by use or threat of physical or mor...Trenton , town, Canada
(Encyclopedia)Trenton, town (1991 pop. 16,908), SE Ont., Canada, on the Bay of Quinte at the mouth of the Trent River and at the south end of the Trent Canal. Its manufactures include textiles, electronic component...reed organ
(Encyclopedia)reed organ, an organ in which air is forced over free reeds by means of bellows, usually worked by pedals. It is played by the use of one or more keyboards. Variations in tone are produced by stops th...Fairborn
(Encyclopedia)Fairborn, city (2020 pop. 34,240), Greene co., SW Ohio; settled 1799, inc. 1950 with the merging of Osborn and Fairborn. Major employers are Wright Stat...Smith, Dean Edwards
(Encyclopedia)Smith, Dean Edwards, 1931–2015, American college basketball coach, b. Emporia, Kans. After playing basketball at the Univ. of Kansas (grad. 1953), Smith joined (1954) the Air Force and became an ass...nuclear strategy
(Encyclopedia)nuclear strategy, a policy for the use of nuclear weapons. The first atomic bombs were used in the context of the Allies' World War II policy of strategic bombing. Early in the cold war, U.S. policy w...acid rain
(Encyclopedia)acid rain or acid deposition, form of precipitation (rain, snow, sleet, or hail) containing high levels of sulfuric or nitric acids (pH below 5.5–5.6). Produced when sulfur dioxide and various nitro...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 +-