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cockle

(Encyclopedia)cockle, common name applied to the heart-shaped, jumping or leaping marine bivalve mollusks, belonging to the order Eulamellibranchia. The brittle shells are of uniform size, are obliquely spherical, ...

Ursa Major and Ursa Minor

(Encyclopedia)Ursa Major ûrˈsə [key] and Ursa Minor [Lat.,=the great bear; the little bear], two conspicuous northern constellations. Known to many peoples from ancient times, these constellations have had vario...

Smoky

(Encyclopedia)Smoky, river, c.250 mi (400 km) long, rising in Jasper National Park, W Alta., Canada, and flowing generally NE to the Peace River. It receives the Wapiti and Little Smoky rivers. It was explored (179...

Pickford, Mary

(Encyclopedia)Pickford, Mary, 1893–1979, American movie actress, b. Toronto, Ont. In 1909 she began working with D. W. Griffith. Specializing in playing young girls, she was dubbed “America's Sweetheart.” Her...

Elephanta

(Encyclopedia)Elephanta ĕlĭfănˈtə [key], island, c.2 sq mi (5.2 sq km), in Mumbai harbor, Maharashtra state, W India. It is noted for six Brahmanic caves, carved (8th cent.) from solid rock some 250 ft (76 m) ...

Dogon

(Encyclopedia)Dogon dōgänˈ [key], African people who live on the bend of the Niger River in the Republic of Mali in West Africa. A patrilineal, sedentary agricultural people, they number over 360,000. They depen...

Iron Gate

(Encyclopedia)Iron Gate, Rom. Porţile de Fier, Serbian Gvozdena Vrata, gorge of the Danube River, c.2 mi (3.2 km) long and c.550 ft (170 m) wide, on the Serbia-Romania border between Orşova and Drobeta-Turnu Seve...

Llano Estacado

(Encyclopedia)Llano Estacado läˈnō ĕstəkäˈdō [key] or Staked Plain, level, semiarid, plateaulike region of the S Great Plains, c.40,000 sq mi (103,600 sq km), E N.Mex. and W Tex., between the Pecos River an...

aureole, in physics

(Encyclopedia)aureole ôrˈēōlˌ [key], in physics, luminous circle seen when the sun or other bright light is observed through a diffuse medium, i.e., smoke, thin cloud, fog, haze, or mist. It sometimes occurs a...

Masters, Edgar Lee

(Encyclopedia)Masters, Edgar Lee, 1869–1950, American poet and biographer, b. Garnett, Kans. He maintained a successful law practice in Chicago from 1892 to 1920. Masters's Spoon River Anthology (1915), a collect...