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Youth, Isle of

(Encyclopedia) Youth, Isle of, Span. Isla de la Juventud, island and special municipality (1989 est. pop. 71,500), 1,180 sq mi (3,056 sq km), off SW Cuba, from which it is separated by the Batabanó…

tryptophan

(Encyclopedia) CE5 tryptophantryptophantrĭpˈtəfăn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer appears in mammalian protein. It is…

umbilical cord

(Encyclopedia) umbilical cordumbilical cordŭmbĭlˈĭkəl [key], cordlike structure about 22 in. (56 cm) long in the pregnant human female, extending from the abdominal wall of the fetus to the placenta…

nonjurors

(Encyclopedia) nonjurors [Lat.,=not swearing], those English and Scottish clergymen who refused to break their oath of allegiance to James II and take the oath to William III after the Glorious…

Pius IV

(Encyclopedia) Pius IV, 1499–1565, pope (1559–65), a Milanese named Giovanni Angelo de' Medici; successor of Paul IV. He was probably not related to the great Medici family. His career in Rome began…

Scharnhorst, Gerhard Johann David von

(Encyclopedia) Scharnhorst, Gerhard Johann David vonScharnhorst, Gerhard Johann David vongĕrˈhärt yōˈhän däˈvēt fən shärnˈhôrst [key], 1755–1813, Prussian general. A Hanoverian army officer, military…

Sosa, Sammy

(Encyclopedia) Sosa, Sammy (Samuel Kevin Sosa Peralta)Sosa, Sammysämwĕlˈ sōˈsä pĕrälˈtä [key], 1968–, Dominican baseball player. An outfielder and designated hitter, he broke into the major leagues…

quelea

(Encyclopedia) queleaqueleakwēˈlēə [key], common name for an East African weaverbird, Quelea quelea. Less than 5 in. (13 cm) long and weighing slightly more than 1&fslsh;2 oz (1.4 grams), these…

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)…

Tacna-Arica Controversy

(Encyclopedia) Tacna-Arica ControversyTacna-Arica Controversytäkˈnə-ərēˈkə [key], 1883–1929, dispute between Chile and Peru. It arose from provisions of the Treaty of Ancón (1883), which ended the…