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Yelets

(Encyclopedia)Yelets yĭlyĕtsˈ [key], city (1989 pop. 120,000), E central Russia, on the Sosna River, a tributary of the Don. A rail junction in a black-earth agricultural district, the city exports livestock and...

Suess, Eduard

(Encyclopedia)Suess, Eduard āˈdo͞oärt züs [key], 1831–1914, Austrian geologist, b. London. He was a professor (1857–1901) at the Univ. of Vienna and served for more than 20 years in the Austrian parliament...

lightning

(Encyclopedia)lightning, electrical discharge accompanied by thunder, commonly occurring during a thunderstorm. The discharge may take place between one part of a cloud and another part (intracloud), between one cl...

gadolinium

(Encyclopedia)gadolinium gădəlĭnˈēəm [key], metallic chemical element; symbol Gd; at. no. 64; at. wt. 157.25; m.p. 1,312℃; b.p. 3,233℃; sp. gr. 7.898 at 25℃; valence +3. Gadolinium is a malleable, ducti...

praseodymium

(Encyclopedia)praseodymium prāˌzēōdĭmˈēəm, –sēō– [key] [Gr., =green twin], metallic chemical element; symbol Pr; at. no. 59; at. wt. 140.90765; m.p. 931℃; b.p. 3,512℃; sp. gr. about 6.8; valence +...

reservoir

(Encyclopedia)reservoir rĕzˈəvôr, –vwär [key], storage tank or wholly or partly artificial lake for storing water. Building an embankment or dam to preserve a supply of water for irrigation is an ancient pra...

neodymium

(Encyclopedia)neodymium nēˌōdĭmˈēəm [key], metallic chemical element; symbol Nd; at. no. 60; at. wt. 144.242; m.p. about 1,021℃; b.p. about 3,068℃; sp. gr. 7.004 at 20℃; valence +3. Neodymium is a lust...

stupa

(Encyclopedia)CE5 Stupa stupa sto͞oˈpə [key] [Sanskrit,=mound], Buddhist monument in tumulus, or mound, form, often containing relics. The words tope and dagoba are synonymous, though the latter properly ref...

Folgore da San Geminiano

(Encyclopedia)Folgore da San Geminiano fôlˈgōrā dä sän jāmēnyäˈnō [key], fl. 1308–16, Italian poet. Mesi, his cycle of sonnets on the seasons and their appropriate pleasures, is interspersed with zestf...

Doddridge, Philip

(Encyclopedia)Doddridge, Philip, 1702–51, English nonconformist minister and noted hymn writer. His Rise and Progress of Religion in the Soul (1745) has been much translated. His many hymns include “Awake, My S...