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Mamluk

(Encyclopedia)Mamluk or Mameluke mămˈəlo͞ok [key] [Arab.,=slaves], a warrior caste dominant in Egypt and influential in the Middle East for over 700 years. Islamic rulers created this warrior caste by collectin...

Assam

(Encyclopedia)Assam ăsămˈ [key], state (2001 provisional pop. 26,638,407), c.30,000 sq mi (77,700 sq km), extreme NE India. Dispur is the capital. Almost completely separated from India by Bangladesh, Assam is b...

mental retardation

(Encyclopedia)mental retardation, below average level of intellectual functioning, usually defined by an IQ of below 70 to 75, combined with limitations in the skills necessary for daily living. Daily living skills...

thorium

(Encyclopedia)thorium thôrˈēəm [key] [from Thor], radioactive chemical element; symbol Th; at. no. 90; mass number of most stable isotope 232; m.p. about 1,750℃; b.p. about 4,790℃; sp. gr. 11.7 at 20℃; va...

Pope, Alexander

(Encyclopedia)Pope, Alexander, 1688–1744, English poet. Although his literary reputation declined somewhat during the 19th cent., he is now recognized as the greatest poet of the 18th cent. and the greatest verse...

Congo, Republic of the

(Encyclopedia)CE5 Congo, Republic of the, republic (2015 est. pop. 4,996,000), 132,046 sq mi (342,000 sq km), W central Africa; also known as the Congo Republic. Congo is bordered on the west by Gabon; on the no...

de Gaulle, Charles

(Encyclopedia)de Gaulle, Charles shärl də gōl [key], 1890–1970, French general and statesman, first president (1959–69) of the Fifth Republic. De Gaulle was reelected to a second seven-year term in 1965. A...

Continental Congress

(Encyclopedia)Continental Congress, 1774–89, federal legislature of the Thirteen Colonies and later of the United States in the American Revolution and under the Articles of Confederation (see Confederation, Arti...

helium

(Encyclopedia)helium hēˈlēəm [key], gaseous chemical element; symbol He; at. no. 2; at. wt. 4.0026; m.p. below −272℃ at 26 atmospheres pressure; b.p. −268.934℃ at 1 atmosphere pressure; density 0.1785 g...

automobile industry

(Encyclopedia)automobile industry, the business of producing and selling self-powered vehicles, including passenger cars, trucks, farm equipment, and other commercial vehicles. By allowing consumers to commute long...