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rivet

(Encyclopedia) rivet, headed metal pin or bolt whose shaft is passed through holes in two or more pieces of metal, wood, plastic, or other material in order to unite them by forming the plain end…

Gaspé Peninsula

(Encyclopedia) Gaspé Peninsula or GaspésieGaspé Peninsulagäspāzēˈ [key], tongue of land, E Que., Canada, between the estuary of the St. Lawrence River on the north and Chaleur Bay on the south, and…

gigantism

(Encyclopedia) gigantism, condition in which an animal or plant is far greater than normal in size. Plants are often deliberately bred to increase their size. However, among animals, gigantism is…

liturgy, Islamic

(Encyclopedia) liturgy, Islamic, mandatory ritual prayer in Islam (salat) is performed five times a day at dawn, noon, afternoon, sunset, and night. It requires ritual cleanliness, and is preceded by…

sweetener, artificial

(Encyclopedia) sweetener, artificial, substance used as a low-calorie sugar substitute. Saccharin, cyclamates, and aspartame have been the most commonly used artificial sweeteners. Saccharin, a coal-…

Luxembourg, province, Belgium

(Encyclopedia) Luxembourg, Du. Luxemburg, province (1991 pop. 232,813), 1,706 sq mi (4,419 sq km), SE Belgium, in the Ardennes, bordering on the Grand Duchy of Luxembourg in the east and on France in…

Michael, archangel

(Encyclopedia) MichaelMichaelmīˈkəl [key] [Heb.,=who is like God?], archangel prominent in Christian, Jewish, and Muslim traditions. In the Bible and early Jewish literature, Michael is one of the…

elongation

(Encyclopedia) elongation, in astronomy, the angular distance between two points in the sky as measured from a third point. The elongation of a planet is usually measured as the angular distance from…

thresher shark

(Encyclopedia) thresher shark, long-tailed, warm-water shark, genus Alopias. The upper fork of its tail is slender and sickle-shaped and is about equal in length to the rest of the body. This shark…

San Luis Potosí, state, Mexico

(Encyclopedia) San Luis PotosíSan Luis Potosísän l&oomacr;ēsˈ pōtōsēˈ [key], state (1990 pop. 2,003,187), 24,417 sq mi (63,240 sq km), central Mexico. San Luis Potosí is the capital. Most of the…