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pothole

(Encyclopedia)pothole, in geology, cylindrical pit formed in the rocky channel of a turbulent stream. It is formed and enlarged by the abrading action of pebbles and cobbles that are carried by eddies, or circular ...

Dumbarton, two, Scotland

(Encyclopedia)Dumbarton dəmbärˈtən [key], town, West Dunbartonshire, W Scotland...

edelweiss

(Encyclopedia)edelweiss āˈdəlvīs [key], perennial aster plant (genus Leontopodium) found at high altitudes in the mountains of Europe, Asia, and South America. It is about 6 in. (15.2 cm) tall with woolly-white...

catchment area

(Encyclopedia)catchment area or drainage basin, area drained by a stream or other body of water. The limits of a given catchment area are the heights of land—often called drainage divides, or watersheds—separat...

Bettendorf

(Encyclopedia)Bettendorf bĕtˈəndocirc;rfˌ [key], city (2020 pop. 39,102), Scott co., E Iowa, on the Mississippi ...

Blume, Peter

(Encyclopedia)Blume, Peter blo͞om [key], 1906–92, American painter, b. Russia. Blume immigrated to the United States in 1911. In his early work, such as The Parade (1930; Mus. of Modern Art, New York City), he s...

Liston, Sonny

(Encyclopedia)Liston, Sonny (Charles Liston), 1932–71, American boxer, b. Little Rock, Ark. While serving a sentence for robbery at the Missouri State Penitentiary, Liston became interested in boxing. In 1953 he ...

hogback

(Encyclopedia)hogback, sharp-crested ridge with steep slopes on both sides, formed by the erosion of steeply tilted rock layers. Hogbacks are commonly formed along the eroded flanks of large, tightly folded anticli...

Logan, Sir William Edmond

(Encyclopedia)Logan, Sir William Edmond, 1798–1875, Canadian geologist. Educated in England, he managed (1831–38) coal mines and a copper smelter in Wales. In addition to making studies of clays underlying coal...

sitar

(Encyclopedia)CE5 Sitar sitar sĭtärˈ [key], fretted string instrument with a gourdlike body and a long neck, similar to the lute. It has from 3 to 7 gut strings, tuned in fourths or fifths (or both), and a l...