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Chongqing

(Encyclopedia)Chongqing cho͞ongˈkĭngˈ [key], city and independent municipality, 592 sq mi (1,534 sq km), in SE ...

Coahuila

(Encyclopedia)Coahuila kōäwēˈlä [key], state, 58,067 sq mi (150,394 sq km), N Mexico, on the northward ...

hardening

(Encyclopedia)hardening, in metallurgy, treatment of metals to increase their resistance to penetration. A metal is harder when it has small grains, which result when the metal is cooled rapidly. Sometimes small ar...

Anhui

(Encyclopedia)Anhui or Anhwei both: änˈhwāˈ [key], province, c.55,000 sq mi (142,450 sq km), E central China. Hefei is the capital. Anhui may be divided into two climatic areas. The north...

Lower Saxony

(Encyclopedia)Lower Saxony, Ger. Niedersachsen nēˈdərsäkˌsən [key], state (1994 pop. 7,480,000), 18,295 sq mi (47,384 sq km), NW Germany. Hanover is the capital. The state was formed in 1946 by the merger of ...

cerium

(Encyclopedia)cerium sērˈēəm [key] [from the asteroid Ceres], metallic chemical element; symbol Ce; at. no. 58; at. wt. 140.116; m.p. 799℃; b.p. 3,426℃; sp. gr. 6.77 at 25℃; valence +3 or +4. Cerium is a ...

Pyongyang

(Encyclopedia)Pyongyang pēyŭngˈyängˈ [key], Chin. Pingyang, Jap. Heijo, city (1993 pop. 2,741,260), capital of North Korea, SW North Korea, on a high bluff above the Taedong River. It is a special city with th...

selenium

(Encyclopedia)selenium səlēˈnēəm [key], nonmetallic chemical element; symbol Se; at. no. 34; at. wt. 78.96; m.p. 217℃; b.p. about 685℃; sp. gr. 4.81 at 20℃; valence −2, +4, or +6. Selenium is directly ...

Almería

(Encyclopedia)Almería älmārēˈä [key], city, capital of Almería prov., SE Spain, in Andalusia, on the Gulf of Almería. A busy Mediterranean port, it exports the celebrated grapes...

Dumdum

(Encyclopedia)Dumdum dŭmˈdəm [key], four towns in Suburban Kolkata (Calcutta), West Bengal state, E cent...