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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 ...Jiangxi
(Encyclopedia)Jiangxi kyăngˈsēˈ, jyängˈ– [key], province (2010 pop. 44,567,475), c.66,000 sq mi (170,940 sq km), SE China. Nanchang is the capital. The largely hilly and mountainous surface is drained by ma...Northern Territory
(Encyclopedia)Northern Territory, territory (2016 pop. 228,833), 520,280 sq mi (1,347,525 sq km), N central Australia. It is bounded on the N by the Timor Sea, the Arafura Sea, and the Gulf of Carpentaria. Darwin i...metalwork
(Encyclopedia)metalwork. Copper, gold, and silver were probably fashioned into ornaments and amulets as early as the Neolithic period. Goldwork and silverwork have since employed the talents of leading artisans and...Peirce, Charles Sanders
(Encyclopedia)Peirce, Charles Sanders pûrs [key], 1839–1914, American philosopher and polymath, b. Cambridge, Mass., grad. Harvard, 1859; son of Benjamin Peirce. Except for occasional lectures he renounced the r...coke
(Encyclopedia)coke, substance obtained by the destructive distillation of bituminous coal. Coke bears the same relation to coal as does charcoal to wood. A hard, gray, massive, porous fuel, coke is the solid residu...chloride
(Encyclopedia)chloride klōrˈīd, klôrˈ– [key], chemical compound containing chlorine. Most chlorides are salts that are formed either by direct union of chlorine with a metal or by reaction of hydrochloric ac...Dukhobors
(Encyclopedia)Dukhobors or Doukhobors both: do͞oˈkəbôrz [key] [Russ.,=spirit wrestlers], religious group, prominent in Russia from the 18th to the 19th cent. The name was coined by the Orthodox opponents of the...Dole, Bob
(Encyclopedia)Dole, Bob (Robert Joseph Dole), 1923–2021, American political leader, b. Russell, Ks., Washburn Univ. (B.A. and L.L.D., 1952); husband of Elizabeth Ha...Browse by Subject
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