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metamorphism

(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...

shipping

(Encyclopedia)shipping, transportation of passengers and goods on waterways. From prehistoric times shipping has had a major influence on human social development. Water routes, unlike roads, did not need building,...

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...

Namib

(Encyclopedia)Namib näˈmĭb [key], desert, c.800 mi (1,290 km) long and from 30 to 100 mi (50–160 km) wide, SW Africa, along the coast of Namibia. It occupies a rocky platform between the Atlantic Ocean and 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...

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 ...

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�...

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...

watershed

(Encyclopedia)watershed, elevation or divide separating the catchment area, or drainage basin, of one river system or group of river systems from another system or group of systems. The term is also often used syno...

Xikang

(Encyclopedia)Xikang shēˈkängˈ, sēˈ– [key], former province, SW China. Kangding was the capital before 1950 and Ya'an from 1950 to 1955. It is largely a region of high mountains (over 10,000 ft/3,050 m) cut...