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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...

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...

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...

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...

Koštunica, Vojislav

(Encyclopedia)Koštunica, Vojislav voiˈsläv kôshto͞oˈnētsä [key], 1944–, Serbian politician, president of Yugoslavia (2000–3) and prime minister of Serbia (2004–8) b. Belgrade. A constitutional lawyer ...

Liberal Democrats, British political party

(Encyclopedia)Liberal Democrats, British political party created in 1988 by the merger of the Liberal party with the Social Democratic party; the party was initially called the Social and Liberal Democratic party. ...

Pizarro, Gonzalo

(Encyclopedia)Pizarro, Gonzalo pēthärˈrō [key], c.1506–1548, Spanish conquistador, brother of Francisco Pizarro. A lieutenant of his brother in the conquest of Peru, Gonzalo aided in the defense of Cuzco (15...

Catherine de' Medici

(Encyclopedia)Catherine de' Medici dĕ mĕdˈĭchē, Ital. dā mĕˈdēchē [key], 1519–89, queen of France, daughter of Lorenzo de' Medici, duke of Urbino. She was married (1533) to the duc d'Orléans, later Kin...