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army

(Encyclopedia)army, large armed land force, under regular military control, organization, and discipline. With the advent of railroads and, later, highway systems it became possible after the mid-19th cent. to mo...

West Bank

(Encyclopedia)West Bank, territory, formerly part of Palestine, after 1949 administered by Jordan, since 1967 largely occupied by Israel (2005 est. pop. 2,386,000), 2,165 sq mi (5,607 sq km), west of the Jordan Riv...

carbon

(Encyclopedia)CE5 The three solid forms of pure carbon: In the diamond crystal each carbon atom is surrounded symmetrically by four other carbons (at each of the four corners of a tetrahedron). In the graphite c...

Mali

(Encyclopedia)CE5 Mali mäˈlē [key], officially Republic of Mali, independent republic (2015 est. pop. 17,468,000), 478,764 sq mi (1,240,000 sq km), the largest country in W Africa. Mali is bordered on the nor...

Pan-Americanism

(Encyclopedia)Pan-Americanism, movement toward commercial, social, economic, military, and political cooperation among the nations of North, Central, and South America. In the early 20th cent., U.S. manipulation ...

Kennedy, John Fitzgerald

(Encyclopedia)Kennedy, John Fitzgerald, 1917–63, 35th President of the United States (1961–63), b. Brookline, Mass.; son of Joseph P. Kennedy. On Nov. 22, 1963, President Kennedy was shot and killed while ...

Bahamas, the

(Encyclopedia)CE5 Bahamas, the bəhäˈməz [key], officially Commonwealth of the Bahamas, independent nation (2020 ...

Russell, Bertrand Arthur William Russell, 3d Earl

(Encyclopedia)Russell, Bertrand Arthur William Russell, 3d Earl, 1872–1970, British philosopher, mathematician, and social reformer, b. Trelleck, Wales. As with his philosophical stance, Russell's positions on ...

isomer

(Encyclopedia)isomer īˈsəmər [key], in chemistry, one of two or more compounds having the same molecular formula but different structures (arrangements of atoms in the molecule). Isomerism is the occurrence of ...

Crimea

(Encyclopedia)Crimea krīmēˈə [key], Rus. and Ukr. Krym, peninsula and republic (1991 est. pop. 2,363,000), c.10,000 sq mi (25,900 sq km), SE Europe, linked with the mainland by the Perekop Isthmus. The peninsul...