Columbia Encyclopedia

Search results

267 results found

resistance, in electricity

(Encyclopedia)resistance, property of an electric conductor by which it opposes a flow of electricity and dissipates electrical energy away from the circuit, usually as heat. Optimum resistance is provided by a con...

meteorology

(Encyclopedia)meteorology, branch of science that deals with the atmosphere of a planet, particularly that of the earth, the most important application of which is the analysis and prediction of weather. Individual...

SETI

(Encyclopedia)SETI sĕtˈē [key] [Search for ExtraTerrestrial Intelligence], name given to a series of independent programs to detect radio signals from civilizations beyond the solar system. Modern SETI efforts c...

data communications

(Encyclopedia)data communications, application of telecommunications technology to the problem of transmitting data, especially to, from, or between computers. In popular usage, it is said that data communications ...

mutiny

(Encyclopedia)mutiny, concerted disobedient or seditious action by persons in military or naval service, or by sailors on commercial vessels. Mutiny may range from a combined refusal to obey orders to active revolt...

Cadillac, Antoine de la Mothe

(Encyclopedia)Cadillac, Antoine de la Mothe Fr. äNtwänˈ də lä môt kädēyäkˈ [key], c.1658–1730, French colonial governor in North America, founder of Detroit. Of the minor Gascon nobility, he came to Ame...

beef

(Encyclopedia)beef, flesh of cattle prepared for food. It has become one of the chief products of the meatpacking industry and is sold either chilled, frozen, or cured. The leading beef consumers, as well as export...

theremin

(Encyclopedia)theremin thĕrˈəmən [key], one of the earliest electronic musical instruments, invented (1920) in the Soviet Union and named for its creator, Leon Theremin. A forerunner of the synthesizer, it cons...

simony

(Encyclopedia)simony sĭmˈənē [key], in canon law, buying or selling of any spiritual benefit or office. The name is derived from Simon Magus, who tried to buy the gifts of the Holy Spirit from St. Peter (Acts 8...

ionosphere

(Encyclopedia)ionosphere īŏnˈəsfēr [key], series of concentric ionized layers forming part of the upper atmosphere of the earth from around 30 to 50 mi (50 to 80 km) to 250 to 370 mi (400 to 600 km) where it m...