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Erythraean Sea

(Encyclopedia)Erythraean Sea ĕrĭthrēˈən [key], name of unclear origin anciently applied to the Indian Ocean, later to the Arabian Gulf, and finally to the Red Sea. ...

jasper, type of quartz

(Encyclopedia)jasper, opaque, impure cryptocrystalline quartz, usually red, but also yellow, green, and grayish blue. It is used as a gem. Ribbon jasper has the colors in stripes. ...

bloodstone

(Encyclopedia)bloodstone or heliotrope, green chalcedony spotted with red, used as a gem stone. It is found in India, the United States, Brazil, and Australia. ...

Sherman

(Encyclopedia)Sherman, city (1990 pop. 31,601), seat of Grayson co., N Tex., near the Red River; inc. 1858. Originally on a stagecoach route, it is a highway and railroad junction. Manufactures include electronic e...

logic

(Encyclopedia)logic, the systematic study of valid inference. A distinction is drawn between logical validity and truth. Validity merely refers to formal properties of the process of inference. Thus, a conclusion w...

Diana, princess of Wales

(Encyclopedia)Diana, princess of Wales, 1961–97, wife of Charles, prince of Wales, heir to the British throne. The daughter of the 8th Earl Spencer, Lady Diana Frances Spencer was a kindergarten teacher in London...

Colfax, Schuyler

(Encyclopedia)Colfax, Schuyler skīˈlər kōlˈfăks [key], 1823–85, Vice President of the United States (1869–73), b. New York City. He moved in boyhood to Indiana. First a Whig editor, he later helped to org...

Harrington, James

(Encyclopedia)Harrington, James, 1611–77, English political writer. His Commonwealth of Oceana (1656) pictured a utopian society in which political authority rested entirely with the landed gentry. Harrington adv...

Hale, Benjamin

(Encyclopedia)Hale, Benjamin, 1797–1863, American educator, b. Newburyport, Mass., grad. Bowdoin, 1818. He served as tutor at Bowdoin and in 1823 founded and became principal of Gardiner Lyceum, Gardiner, Maine, ...

Angell, James Burrill

(Encyclopedia)Angell, James Burrill jāmz bûrˈəl ānˈjəl [key], 1829–1916, American educator, editor, and diplomat, b. Scituate, R.I., grad. Brown, 1849, and studied abroad. He became professor of modern lan...