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lottery

(Encyclopedia)lottery, scheme for distributing prizes by lot or other method of chance selection to persons who have paid for the opportunity to win. The term is not applicable when lots are drawn without payment b...

Karens

(Encyclopedia)Karens kərĕnzˈ [key], members of a Thai-Chinese cultural group, one of the most important minorities in Myanmar, living in the Kayah State, Kayin State, Tanintharyi, and the Ayeyarwady delta. They ...

Boyle, Robert

(Encyclopedia)Boyle, Robert, 1627–91, Anglo-Irish physicist and chemist. The seventh son of the 1st earl of Cork, he was educated at Eton and on the Continent and conducted most of his researches at his own labor...

Baldessari, John

(Encyclopedia)Baldessari, John (John Anthony Baldessari), 1931–2020, American artist, b. National City, Calif., grad. San Diego State College (now Univ.; B.A., 1953; M.F.A., 1957). A founder of conceptual art, he...

dysprosium

(Encyclopedia)dysprosium dĭsprōˈzēəm [key] [Gr.,=hard to get at], metallic chemical element; symbol Dy; at. no. 66; at. wt. 162.500; m.p. 1,412℃; b.p. 2,562℃; sp. gr. 8.54 at 25℃; valence+3. Dysprosium i...

Cousin, Victor

(Encyclopedia)Cousin, Victor vēktôrˈ [key], 1792–1867, French educational leader and philosopher, founder of the eclectic school. He lectured at the Sorbonne from 1814 until 1821, when political reaction force...

eunuch

(Encyclopedia)eunuch yo͞oˈnĭk [key] [Gr.,=keeper of the couch], castrated human male, particularly a chamberlain of a harem in Asia. The custom of employing eunuchs as servants in wealthy or royal households is ...

europium

(Encyclopedia)europium yo͝orōˈpēəm [key] [from Europe], metallic chemical element; symbol Eu; at. no. 63; at. wt. 151.964; m.p. about 820℃; b.p. about 1,600℃; sp. gr. 5.25 at 25℃; valence +2 or +3. Europ...

Fermi, Enrico

(Encyclopedia)Fermi, Enrico ĕnrēˈkō fĕrˈmē [key], 1901–54, American physicist, b. Italy. He studied at Pisa, Göttingen, and Leiden, and taught physics at the universities of Florence and Rome. He contribu...

Gay-Lussac, Joseph Louis

(Encyclopedia)Gay-Lussac, Joseph Louis zhôzĕfˈ lwē gā-lüsäkˈ [key], 1778–1850, French chemist and physicist. He was professor in Paris at the Sorbonne, at the Polytechnic School, and at the Jardin des Pla...