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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...

Bettendorf

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

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...

Oratory, Congregation of the

(Encyclopedia)Oratory, Congregation of the [Lat. abbr., Cong. Orat.], in the Roman Catholic Church, founded in 1575, an association of secular priests organized into independent communities according to the rule wr...

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...

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...

asphalt

(Encyclopedia)asphalt ăsˈfôlt, –fălt [key], brownish-black substance used commonly in road making, roofing, and waterproofing. Chemically, it is a natural mixture of hydrocarbons. It varies in consistency fro...

cave

(Encyclopedia)cave, a cavity in the earth's surface usually large enough for a person to enter. Caves may be formed by the chemical and mechanical action of a stream upon soluble or soft rock, of rainwater seeping ...

marble

(Encyclopedia)marble, metamorphic rock composed wholly or in large part of calcite or dolomite crystals, the crystalline texture being the result of metamorphism of limestone by heat and pressure. The term marble i...

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 ...