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concentration
(Encyclopedia)concentration, in chemistry, measure of the relative proportions of two or more quantities in a mixture. The concentration of a solute is very important in studying chemical reactions because it deter...Rukeyser, Muriel
(Encyclopedia)Rukeyser, Muriel ro͞oˈkīsər [key], 1913–80, American poet, b. New York City. Her poetry expresses the beauty and passion in the confrontation between the individual and her constantly changing w...Stuart, James
(Encyclopedia)Stuart, James, 1713–88, English architect, archaeologist, and painter. After working his way to Rome in 1742, Stuart accompanied Nicholas Revett on an archaeological expedition to Naples. Under the ...STP
(Encyclopedia)STP or standard temperature and pressure, standard conditions for measurement of the properties of matter. The standard temperature is the freezing point of pure water, 0℃ or 273.15K. The standard...Bamburgh
(Encyclopedia)Bamburgh bămˈbərə [key], village, Northumberland, NE England, on the North Sea. It was the capital of ancient Bernicia and for a time of Northumbria. In the 6th cent. a castle was erected above a ...reggae
(Encyclopedia)reggae, Jamaican popular music that developed in the 1960s among Kingston's poor blacks, drawing on American “soul” music and traditional African and Jamaican folk music and ska (a Jamaican and Br...Alvord, Clarence Walworth
(Encyclopedia)Alvord, Clarence Walworth ălˈvərd [key], 1868–1928, American historian, b. Greenfield, Mass. He became (1901) an instructor in history at the Univ. of Illinois (Ph.D., 1908) and was full professo...Guillén, Jorge
(Encyclopedia)Guillén, Jorge hôrˈhā gēlyānˈ [key], 1893–1984, Spanish poet. Guillén left Spain after the civil war (1939) and taught Spanish in the United States. His verse is difficult, terse, and lyrica...Jacobsen, Jens Peter
(Encyclopedia)Jacobsen, Jens Peter yĕns pāˈtər yäˈkôpsən [key], 1847–85, Danish writer. His historical romance Marie Grubbe (1876, tr. 1917) deals with spiritual degeneration in 17th-century Denmark. Jaco...Master Honoré
(Encyclopedia)Master Honoré ōnôrāˈ [key], French manuscript illuminator, active c.1288–1318. Honoré worked in Paris for the court of Philip the Fair (1285–1314). A breviary (Bibliothèque nationale) made ...Browse by Subject
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