Columbia Encyclopedia

Search results

500 results found

humidity

(Encyclopedia)humidity, moisture content of the atmosphere, a primary element of climate. Humidity measurements include absolute humidity, the mass of water vapor per unit volume of natural air; relative humidity (...

Edward the Black Prince

(Encyclopedia)Edward the Black Prince, 1330–76, eldest son of Edward III of England. He was created duke of Cornwall in 1337, the first duke to be created in England, and prince of Wales in 1343. Joining his fath...

Stone, Oliver

(Encyclopedia)Stone, Oliver, 1946–, American filmmaker, screenwriter, and producer, b. New York City, studied filmmaking with Martin Scorsese at New York Univ. (B.F.A., 1971). Stone enlisted (1967) in the army an...

brick

(Encyclopedia)brick, ceramic structural material that, in modern times, is made by pressing clay into blocks and firing them to the requisite hardness in a kiln. Bricks in their most primitive form were not fired b...

Calder, Alexander

(Encyclopedia)Calder, Alexander kôlˈdər [key], 1898–1976, American sculptor, b. Philadelphia; son of Alexander Stirling Calder and grandson of Alexander Mine Calder, prominent sculptors. Among the most innovat...

Carleton, Guy, 1st Baron Dorchester

(Encyclopedia)Carleton, Guy, 1st Baron Dorchester, 1724–1808, governor of Quebec and British commander during the American Revolution. He began his service in America in 1758 and distinguished himself in the Fren...

tapestry

(Encyclopedia)tapestry, hand-woven fabric of plain weave made without shuttle or drawboy, the design of weft threads being threaded into the warp with fingers or a bobbin. The name has been extended to cover a vari...

neutrino astronomy

(Encyclopedia)neutrino astronomy, study of stars by means of their emission of neutrinos, fundamental particles that result from nuclear reactions and are emitted by stars along with light. Approximately 100 billio...

artificial respiration

(Encyclopedia)artificial respiration, any measure that causes air to flow in and out of a person's lungs when natural breathing is inadequate or ceases, as in respiratory paralysis, drowning, electric shock, chokin...

nationality

(Encyclopedia)nationality, in political theory, the quality of belonging to a nation, in the sense of a group united by various strong ties. Among the usual ties are membership in the same general community, common...