Columbia Encyclopedia

(Encyclopedia) Abruzzi, Luigi Amedeo, duca degli lwēˈjē ämādĕˈō do͞oˈkä dāˈlyē abro͞otˈtsē [key], 1873–1933, Italian explorer and mountain climber; cousin of Victor Emmanuel III. He led (1897) the...

(Encyclopedia) Zagros zăgˈrŏs [key], mountain system of W Iran, extending c.1,100 mi (1,770 km) from the Turkish-Armenian frontier SE to the Strait of Hormuz, forming the western and southern border of the centra...

(Encyclopedia) Tarleton, Sir Banastre băˈnəstər tärlˈtən [key], 1754–1833, British army officer in the American Revolution. He arrived (1775) in America with General Cornwallis and was a member of the patro...

(Encyclopedia) Red Cloud, b. 1821 or 1822, d. 1909, Oglala Sioux chief, b. near the Platte River in present-day Nebraska. He led the Native American fight against the establishment of the Bozeman Trail (see Bozeman,...

(Encyclopedia) swallow, common name for small perching birds of almost worldwide distribution. There are about 100 species of swallows, including the martins, which belong to the same family. Swallows have long, nar...

(Encyclopedia) bead test, test used in the identification of certain metals. Some metallic ions that cannot be identified by a flame test are identified by a bead test. The test can also be used to confirm the resul...

(Encyclopedia) Nile, longest river in the world, c.4,160 mi (6,695 km) long from its remotest headstream, the Luvironza River in Burundi, central Africa, to its delta on the Mediterranean Sea, NE Egypt. The Nile flo...

(Encyclopedia) Cadman, Charles Wakefield, 1881–1946, American composer, b. Johnstown, Pa. Although he is known to the public principally for two songs—From the Land of the Sky-blue Water, based on Native America...

(Encyclopedia) metamorphism, in geology, process of change in the structure, texture, or composition of rocks caused by agents of heat, deforming pressure, shearing stress, hot, chemically active fluids, or a combin...

(Encyclopedia) island, relatively small body of land surrounded entirely by water. (As the oceans form a continuous mass of water on the earth's surface, all continents are islands in the strict sense of the word.) ...