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Struve

(Encyclopedia)Struve shtro͞oˈvə [key], family of astronomers. Friedrich Georg Wilhelm von Struve, 1793–1864, was born in Germany but later lived in Russia. While director (1817–39) of Dorpat Observatory he w...

subsidence

(Encyclopedia)subsidence, lowering of a portion of the earth's crust. The subsidence of land areas over time has resulted in submergence by shallow seas (see oceans). Land subsidence can occur naturally or through ...

Verdun, town, France

(Encyclopedia)Verdun vĕrdŭnˈ, Fr. vĕrdöNˈ [key], town (1990 pop. 23,427), Meuse dept., NE France, in Lorraine, on the Meuse River. A strategic transportation center, Verdun has varied industries and is situat...

Beyoncé

(Encyclopedia)Beyoncé, 1981- , American popular singer, songwriter, and actress, b. Beyoncé Giselle Knowles, Houston, Tx. Beyoncé first gained fame as the lead si...

Roche limit

(Encyclopedia)Roche limit, the closest distance that a celestial body held together only by its own gravity can come to a planet without being pulled apart by the planet's tidal (gravitational) force. This distance...

stalactite and stalagmite

(Encyclopedia)stalactite stəlăgˈmīt [key], mineral forms often found in caves; sometimes collectively called dripstone. A stalactite is an icicle-shaped mass of calcite attached to the roof of a limestone caver...

jewelry

(Encyclopedia)jewelry, personal adornments worn for ornament or utility, to show rank or wealth, or to follow superstitious custom or fashion. The most universal forms of jewelry are the necklace, bracelet, ring, p...

Westminster Abbey

(Encyclopedia)Westminster Abbey, originally the abbey church of a Benedictine monastery (closed in 1539) in London. One of England's most important Gothic structures, it is also a national shrine. The first church ...

Dahl, Roald

(Encyclopedia)Dahl, Roald däl [key], 1916–90, British writer known for inventive, often macabre children's books and horror-tinged adult fiction. Dahl spurned a university education in favor of world travel, jo...

Equisetophyta

(Encyclopedia)Equisetophyta ĕkˌwəsətŏfˈətə [key], small division of the plant kingdom consisting of the plants commonly called horsetails and scouring rushes. Equisetum, the only living genus in this divisi...