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siderite
(Encyclopedia)siderite kălˈĭbīt [key], a mineral, varying in color from brown, green, or gray to black and occurring in nature in massive and crystalline form. A carbonate of iron, FeCO3, it serves as an iron o...spontaneous combustion
(Encyclopedia)spontaneous combustion, phenomenon in which a substance unexpectedly bursts into flame without apparent cause. In ordinary combustion, a substance is deliberately heated to its ignition point to make ...Rego, José Lins do
(Encyclopedia)Rego, José Lins do zho͝ozĕˈ lēnz dô rĕˈgo͝o [key], 1901–57, Brazilian novelist. His fame rests largely on his semiautobiographical “sugarcane cycle,” dealing with social transformation ...Andes
(Encyclopedia)Andes ănˈdēz [key], mountain system, more than 5,000 mi (8,000 km) long, W South America. The ranges run generally parallel to the Pacific coast and extend from Tierra del Fuego northward, across t...cod
(Encyclopedia)cod, member of the large family Gadidae, comprising commercially important food fishes. The family, whose members are found in the N Atlantic and Pacific, includes the tomcods, the haddock, and the po...Martin, Homer Dodge
(Encyclopedia)Martin, Homer Dodge, 1836–97, American landscape painter, b. Albany, N.Y. His earlier works are in the style of the Hudson River school, but after his stay in France (1881–86) his work showed the ...Arcadia, region of ancient Greece
(Encyclopedia)Arcadia ärkāˈdēə [key], region of ancient Greece, in the middle of the Peloponnesus, without a seaboard, and surrounded and dissected by mountains. The Arcadians, relatively isolated from the res...Konyukhov, Fedor Filippovich
(Encyclopedia)Konyukhov, Fedor Filippovich, 1951–, Russian adventurer and explorer, b. Chkalove, Ukraine. After attending nautical schools in Odessa and Leningrad, he became a marine engineer and navigator and se...Krkonoše
(Encyclopedia)Krkonoše kŭrˈkônôshĕ [key], Ger. Riesengebirge, Pol. Karkonosze, highest range of the Sudetes, extending c.25 mi (40 km) along the border of N Czech Republic and SW Poland. Its highest peak, Sn...Arabian Desert
(Encyclopedia)Arabian Desert or Eastern Desert, c.86,000 sq mi (222,740 sq km), E Egypt, bordered by the Nile valley in the west and the Red Sea and the Gulf of Suez in the east. It extends along most of Egypt's ea...Browse by Subject
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