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patina

(Encyclopedia)patina pătˈənə [key], coating of carbonate of copper on articles of copper or bronze, formed after long exposure to a moist atmosphere or burial in the earth. Although commonly green, patina varie...

White, Stewart Edward

(Encyclopedia)White, Stewart Edward, 1873–1946, American author, b. Grand Rapids, Mich., grad. Univ. of Michigan, 1895. The stories collected in The Claim Jumpers (1901) and The Blazed Trail (1902) reflect his ow...

Valle, Pietro della

(Encyclopedia)Valle, Pietro della pyĕˈtrō dĕlˈlä välˈlā [key], 1586–1652, Italian traveler in Asia. He sailed (1614) from Venice; spent a year in Constantinople, where he studied Turkish and Arabic; then...

cerussite

(Encyclopedia)cerussite sērˈəsīt [key], colorless to white or gray mineral, sometimes yellowish or greenish, transparent to opaque, very brittle, crystallizing in the orthorhombic system and occurring also in g...

dogfish

(Encyclopedia)dogfish, name for a number of small sharks of several different families. Best known are the spiny dogfishes (family Squalidae) and the smooth dogfishes (family Triakidae). Spiny dogfishes have two sp...

mimic thrush

(Encyclopedia)mimic thrush, common name for members of the Mimidae, a family of exclusively American birds, allied to the wrens and thrushes, that includes the mockingbird, the catbird, and the thrashers. Mimic thr...

Bosporus, University of the

(Encyclopedia)Bosporus, University of the, at İstanbul, Turkey; opened 1863 as Robert College, with funds contributed by Christopher R. Robert and other Americans for the higher education of Turkish men. Its name ...

Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel (table)

(Encyclopedia)Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel ...

Henry I, king of England

(Encyclopedia)Henry I, 1068–1135, king of England (1100–1135), youngest son of William I. He was called Henry Beauclerc because he could write. He quarreled with his elder brothers, William II of England and Ro...

Roger I

(Encyclopedia)Roger I (Roger Guiscard), c.1031–1101, Norman conqueror of Sicily; son of Tancred de Hauteville (see Normans). He went to Italy in 1058 to join his brother, Robert Guiscard, in conquering Apulia and...