Columbia Encyclopedia

(Encyclopedia) Aras äräsˈ [key], Armenian, Rus., Araks, Azeri Araz, river, c.600 mi (970 km) long, rising in the Transcaucasus Mts., NE Turkey. It flows generally east, forming parts of the Turkey-Armenia, Armeni...

(Encyclopedia) stibnite stĭbˈnīt [key], antimony sulfide, Sb2S3, a mineral, silvery gray in color, with a metallic luster. It crystallizes in the orthorhombic system. Found in many parts of the world, it is the m...

(Encyclopedia) Sukkur so͝okˈko͝or [key], city (1998 pop. 329,176), SE Pakistan, on the Indus River. It is an important commercial and industrial city and a center for trade with Afghanistan. Its industries produc...

(Encyclopedia) speleology spēlēŏlˈəjē [key], systematic exploration of caves, popularly called spelunking. It includes the measuring and mapping of caves and reporting on the flora and fauna found in them. One...

(Encyclopedia) neutrality, in international law, status of a nation that refrains from participation in a war between other states and maintains an impartial attitude toward the belligerents. Neutrality is not to be...

(Encyclopedia) herring, common name for members of the large, widely distributed family Clupeidae, comprising many species of marine and freshwater food fishes, including the sardine (Sardinia), the menhaden (Brevoo...

(Encyclopedia) sirenian sīrēˈnēən [key] or sea cow, name for a large aquatic mammal of the order Sirenia. Living sirenians are the dugong and the manatee, both found in warm, shallow waters in sheltered regions...

(Encyclopedia) Milles, Carl mĭlˈəs [key], 1875–1955, Swedish-American sculptor, whose name originally was Carl Emil Wilhelm Anderson. Influenced by Rodin, he studied in Paris from 1897 until 1904, when he retur...

(Encyclopedia) Mona Passage mōˈnä, –nə [key], strait, c.80 mi (130 km) wide, between Puerto Rico and the Dominican Republic. Connecting the N Atlantic Ocean with the Caribbean Sea, it is a favored shipping lan...

(Encyclopedia) stonefly, any insect of the order Plecoptera. North American species, of which there are more than 200, are yellowish, greenish, or brownish in the adult stage and have transparent wings, usually two ...