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cesium

(Encyclopedia)cesium sēˈzēəm [key] [Lat.,=bluish gray], a metallic chemical element; symbol Cs; at. no. 55; at. wt. 132.90545; m.p. 28.4℃; b.p. 669.3℃; sp. gr. 1.873 at 20℃; valence +1. Cesium is a ductil...

Harbin

(Encyclopedia)Harbin härˈbĭn [key], Rus. Kharbin, city (1994 est. pop. 2,505,200), capital of Heilongjiang prov., China, on the Songhua River. It is the major trade and communications center of central Manchuria...

Incheon

(Encyclopedia)Incheon or Inchon ĭnˈchän, Korean ēnchən [key], city, Gyeonggi (Kyonggi) prov., NW South Korea, on the Yellow Se...

Ross, Sir James Clark

(Encyclopedia)Ross, Sir James Clark, 1800–1862, British polar explorer and rear admiral. In 1818 he accompanied his uncle, Sir John Ross, in search of the Northwest Passage and commanded the Erebus. He later stud...

Wrangel Island

(Encyclopedia)Wrangel Island or Wrangell Island răngˈgəl [key], Rus. Ostrov Vrangelya, island, 1,740 sq mi (4,507 sq km), in the Arctic Ocean, between the East Siberian Sea and the Chukchi Sea, off NE Russia. It...

Johnstown

(Encyclopedia)Johnstown. 1 City (1990 pop. 9,058), seat of Fulton co., E central N.Y.; founded 1772, inc. 1895. Its leather-glove industry dates back to 1800; other leather and knitted goods are also made. Johnson ...

Holocene epoch

(Encyclopedia)Holocene epoch hŏlˈəsēn [key] or Recent epoch, most recent of all subdivisions of geologic time, ranging from the present back to the time (c.11,000 years ago) of almost complete withdrawal of the...

Halifax, city, Canada

(Encyclopedia)Halifax, city and regional municipality, provincial capital, S central N.S., Canada, on the Atlantic Ocean. It is the largest city in the Maritime Provi...

Indian Ocean

(Encyclopedia)Indian Ocean, third largest ocean, c.28,350,000 sq mi (73,427,000 sq km), extending from S Asia to Antarctica and from E Africa to SE Australia; it is c.4,000 mi (6,400 km) wide at the equator. It con...

planet

(Encyclopedia)planet [Gr.,=wanderer], a large nonluminous body of rock, gas, or ice that orbits the sun or another star, has a rounded shape due to gravity, and has cleared its orbit of smaller objects. The term, o...