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ammonium chloride
(Encyclopedia)ammonium chloride əmōˈnēəm klôrˈīd [key], chemical compound, NH4Cl, a white or colorless, odorless, water-soluble, cubic crystalline salt with a biting taste, commonly known as sal ammoniac. I...radio astronomy
(Encyclopedia)radio astronomy, study of celestial bodies by means of the electromagnetic radio frequency waves they emit and absorb naturally. Radio waves also come from outside the Milky Way. These extragalact...Laidler, Harry Wellington
(Encyclopedia)Laidler, Harry Wellington lādˈlər [key], 1884–1970, American economist and Socialist leader, b. Brooklyn, N.Y., grad. Wesleyan Univ., 1907, Brooklyn Law School, 1910, Ph.D. Columbia, 1914. A foun...Mandelstam, Osip Emilyevich
(Encyclopedia)Mandelstam, Osip Emilyevich ôˈsĭp ĕmyēlˈyəvĭch mänˈdĭlstəm [key], 1892–1938, Russian poet. Mandelstam was a leader of the Acmeist school. He wrote impersonal, fatalistic, meticulously co...Kielce
(Encyclopedia)Kielce kyĕlˈtsĕ [key], city (1993 est. pop. 215,300), capital of Świętokrzyskie prov., S central Poland. It is a railway junction and manufacturing center where metals, machinery, and foodstuffs ...Gondar
(Encyclopedia)Gondar or Gonder both: gŏnˈdər [key], town, capital of Amhara region, NW Ethiopia, at an altitude of ...Desnos, Robert
(Encyclopedia)Desnos, Robert rôbĕrˈ dĕsnôsˈ [key], 1900–1945, French poet. Among the best-known surrealist poets, he was one of the chief proponents of so-called automatic writing. He put himself in a tranc...satrap
(Encyclopedia)satrap sāˈtrăp [key], governor of a province (satrapy) of the ancient Persian Empire. He was nominated by the king and given extensive powers. Darius I reorganized the privileges and duties of his ...tigernut
(Encyclopedia)tigernut, nearly cosmopolitan perennial (Cyperus esculentum) of the family Cyperaceae (sedge family) of the same genus as the papyrus plant. The tigernut has been cultivated since early times (chiefly...Będzin
(Encyclopedia)Będzin bĕnˈtsĭn [key], town, Śląskie prov., SE Poland, on the Czarna Przemsza River, a ...Browse by Subject
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