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daylight saving time

(Encyclopedia)daylight saving time (DST), time observed when clocks and other timepieces are set ahead so that the sun will rise and set later in the day as measured by civil time. The amount of daylight on a given...

classic revival

(Encyclopedia)classic revival, widely diffused phase of taste (known as neoclassic) which influenced architecture and the arts in Europe and the United States during the last years of the 18th and the first half of...

music festivals

(Encyclopedia)music festivals, series of performances separate from the normal concert season and often, but not always, organized around an idea or theme. Music festivals usually are held annually in the summer, s...

McMurtry, Larry

(Encyclopedia)McMurtry, Larry Jeff, 1936–2021, American novelist, b. Wichita Falls, Tx., grad. North Texas State Univ. (B.A., 1958), Rice Un...

South Sea Bubble

(Encyclopedia)South Sea Bubble, popular name in England for the speculation in the South Sea Company, which failed disastrously in 1720. The company was formed in 1711 by Robert Harley, who needed allies to carry t...

Clinton, De Witt

(Encyclopedia)Clinton, De Witt də wĭtˈ [key], 1769–1828, American statesman, b. New Windsor, N.Y.; son of James Clinton. He was admitted (1790) to the New York bar but soon became secretary to his uncle, Georg...

expansion

(Encyclopedia)expansion, in physics, increase in volume resulting from an increase in temperature. Contraction is the reverse process. When heat is applied to a body, the rate of vibration and the distances between...

Grand Canyon

(Encyclopedia)Grand Canyon, great gorge of the Colorado River, one of the natural wonders of the world; c.1 mi (1.6 km) deep, from 4 to 18 mi (6.4–29 km) wide, and 217 mi (349 km) long, NW Ariz. The canyon shows ...

George IV, king of Great Britain and Ireland

(Encyclopedia)George IV, 1762–1830, king of Great Britain and Ireland (1820–30), eldest son and successor of George III. In 1785 he married Maria Anne Fitzherbert, a Roman Catholic. The marriage was illegal, ho...

Froebel, Friedrich Wilhelm August

(Encyclopedia)Froebel, Friedrich Wilhelm August frāˈbəl, frōˈ–, Ger. frēˈdrĭkh vĭlˈhĕlm ouˈgo͝ost fröˈbəl [key], 1782–1852, German educator and founder of the kindergarten system. He had an unha...