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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...Carlsson, Arvid
(Encyclopedia)Carlsson, Arvid, 1923–2018, Swedish pharmacologist, grad. Univ. of Lund, Sweden, (M.D., Ph.D., 1951). Carlsson was a professor at the Univ. of Lund (1951–59) and at the Univ. of Gothenburg, Sweden...Pétion, Alexandre
(Encyclopedia)Pétion, Alexandre älĕksäNˈdrə pātyôNˈ [key], 1770–1818, Haitian revolutionist. After taking part in the expulsion (1798) of the English from Haiti, he joined (1799) André Rigaud against To...Wilson, August
(Encyclopedia)Wilson, August, 1945–2005, American playwright and poet, b. Pittsburgh as Frederick August Kittel, Jr. Largely self-educated, Wilson first attracted wide critical attention with his Broadway debut, ...isthmus
(Encyclopedia)isthmus ĭsˈməs [key], narrow neck of land connecting two larger land areas. Since it commands the only land route between two large areas and is on two seas, an isthmus has great strategical and co...Troms
(Encyclopedia)Troms trôms, tro͝oms [key], county (1995 pop. 150,606), c.10,070 sq mi (26,080 sq km), N Norway, bordering on the Norwegian Sea (an arm of the Atlantic Ocean) in the west and on Sweden and Finland i...Wheatley, Henry Benjamin
(Encyclopedia)Wheatley, Henry Benjamin, 1838–1917, English bibliographer and antiquarian, a founder of the Early English Text Society and of the Index Society. Wheatley's work on the indexing of books, How to Mak...Bell, Daniel
(Encyclopedia)Bell, Daniel, 1919–2011, American sociologist, b. New York City as Daniel Bolotsky, grad. City College (1939), Columbia (Ph.D., 1960). His immigrant parents changed their surname when he was 13. Bel...extroversion and introversion
(Encyclopedia)extroversion and introversion, terms introduced into psychology by Carl Jung to identify opposite psychological types. Jung saw the activity of the extrovert directed toward the external world and tha...cult
(Encyclopedia)cult, ritual observances involved in worship of, or communication with, the supernatural or its symbolic representations. A cult includes the totality of ideas, activities, and practices associated wi...Browse by Subject
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