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Mannheim

(Encyclopedia)Mannheim mänˈhīm [key], city (1994 pop. 318,025), Baden-Württemberg, W central Germany, on the right bank of the Rhine River and at the mouth of the Neckar River. A bridge connects it with Ludwigs...

German East Africa

(Encyclopedia)German East Africa, former German colony, c.370,000 sq mi (958,300 sq km), E Africa. Dar es Salaam was the capital. German influence emerged in the area in 1884 when Carl Peters, the German explorer, ...

erbium

(Encyclopedia)erbium ûrˈbēəm [key] [from Ytterby, a town in Sweden], metallic chemical element; symbol Er; at. no. 68; at. wt. 167.259; m.p. 1,529℃; b.p. 2,863℃; sp. gr. 9.05 at 25℃; valence +3. Erbium is...

Frankfurt School

(Encyclopedia)Frankfurt School, a group of researchers associated with the Institut für Sozialforschung (Institute of Social Research), founded in 1923 as an autonomous division of the Univ. of Frankfurt. The inst...

digital art

(Encyclopedia)digital art, contemporary art in which computer technology is used in a wide variety of ways to make distinctive works. Digital art was pioneered in the 1970s but only came into its own as a viable ar...

Phips, Sir William

(Encyclopedia)Phips, Sir William, 1651–95, American colonial governor. Born in what is today Maine, he was a carpenter and shipbuilder in Boston and became interested in sunken treasure. On his second hunt for tr...

vocational education

(Encyclopedia)vocational education, training designed to advance individuals' general proficiency, especially in relation to their present or future occupations. The term does not normally include training for the ...

hardness

(Encyclopedia)hardness, property of matter commonly described as the resistance of a substance to being scratched by another substance. The degree of hardness is relative, different substances being compared with o...

Zinzendorf, Nikolaus Ludwig, Graf von

(Encyclopedia)Zinzendorf, Nikolaus Ludwig, Graf von nēˈkōlous lo͝otˈvĭkh gräf fən tsĭnˈtsəndôrf [key], 1700–1760, German churchman, patron and bishop of the refounded Moravian Church, b. Dresden. Rear...

mathematics

(Encyclopedia)mathematics, deductive study of numbers, geometry, and various abstract constructs, or structures; the latter often “abstract” the features common to several models derived from the empirical, or ...