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(Encyclopedia)Portage [1,] [2] pôrˈtəj; [3] pôrˈtĭj [key]. 1 Town (1990 pop. 29,060), Porter co., NW Ind., a suburb of Gary, on Lake Michigan; inc. 1959. The town, which was once surrounded by great industrie...calcium hydroxide
(Encyclopedia)calcium hydroxide, Ca(OH)2, colorless crystal or white powder. It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime or slaked lime. ...safety lamp
(Encyclopedia)safety lamp, oil lamp designed for safe use in mines and other places where flammable gases such as firedamp (see damp) may be present. Its invention (c.1816) is usually attributed to Sir Humphry Davy...hydrazine
(Encyclopedia)hydrazine hīˈdrəzēnˌ [key], chemical compound, formula NH2NH2, m.p. 1.4℃, b.p. 113.5℃, specific gravity 1.011 at 15℃. It is very soluble in water and soluble in alcohol. At ordinary tempera...lyric
(Encyclopedia)lyric, in ancient Greece, a poem accompanied by a musical instrument, usually a lyre. Although the word is still often used to refer to the songlike quality in poetry, it is more generally used to ref...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...Wallace, George Corley
(Encyclopedia)Wallace, George Corley, 1919–98, governor of Alabama (1963–67, 1971–79, 1983–87), b. Clio, Ala. Admitted to the bar in 1942, he was active in the Alabama Democratic party, serving in the state...plastic surgery
(Encyclopedia)plastic surgery, surgical repair of congenital or acquired deformities and the restoration of contour to improve the appearance and function of tissue defects. Development of this specialized branch o...sagebrush
(Encyclopedia)sagebrush, name for several species of Artemisia, deciduous shrubs of the family Asteraceae (aster family), particularly abundant in arid regions of W North America. The common sagebrush (A. tridentat...Ashbery, John
(Encyclopedia)Ashbery, John, 1927–2017, American poet, b. Rochester, N.Y., grad. Harvard (B.A., 1949), Columbia (M.A., 1951). Among the most acclaimed and influential American poets of his era, he was (1960s–70...Browse by Subject
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