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El Niño–Southern Oscillation

(Encyclopedia)El Niño–Southern Oscillation (ENSO) ĕl nēnˈyō [key], large-scale climatic fluctuation of the tropical Pacific Ocean and the overlying atmosphere. The El Niño [Span.,=the child] is the South Am...

emerald

(Encyclopedia)emerald, the green variety of beryl, of which aquamarine is the blue variety. Chemically, it is a beryllium-aluminum silicate whose color is due to small quantities of chromium compounds. The emerald ...

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...

O'Higgins, Ambrosio

(Encyclopedia)O'Higgins, Ambrosio ōhĭgˈĭnz, Span. ämbrōˈsyō ōēˈgēns [key], 1720?–1801, Spanish colonial administrator, b. Ballinary, Co. Sligo, Ireland. Educated at Cádiz, Spain, under the care of hi...

Little America

(Encyclopedia)Little America, base for Antarctic exploring expeditions, Antarctica, on the Ross Ice Shelf, S of the Bay of Whales. Richard E. Byrd, a U.S. explorer, established and named Little America in 1929 and ...

America's Cup

(Encyclopedia)America's Cup: see sailing.

Mitre, Bartolomé

(Encyclopedia)Mitre, Bartolomé bärˌtōlōmāˈ mēˈtrā [key], 1821–1906, Argentine statesman, general, and author, president of the republic (1862–68). An opponent of Juan Manuel de Rosas, he was forced in...

Thirteen Colonies, the

(Encyclopedia)Thirteen Colonies, the, term used for the colonies of British North America that joined together in the American Revolution against the mother country, adopted the Declaration of Independence in 1776,...

South Australia

(Encyclopedia)South Australia, state (2016 pop. 1,676,653), 380,070 sq mi (984,381 sq km), S central Australia. It is bounded on the S by the Indian Ocean. Kangaroo Island and many smaller islands off the south coa...

South Bend

(Encyclopedia)South Bend, city (1990 pop. 105,511), seat of St. Joseph co., N Ind., on the great south bend of the St. Joseph River, in a farming and mint-growing region; inc. as a city 1865. An industrial city, it...