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phosphorus

(Encyclopedia)phosphorus fŏsˈfərəs [key] [Gr.,=light-bearing], nonmetallic chemical element; symbol P; at. no. 15; at. wt. 30.97376; m.p. 44.1℃; b.p. about 280℃; sp. gr. 1.82 at 20℃; valence −3, +3, or ...

sun grebe

(Encyclopedia)sun grebe, common name for a tropical, mainly aquatic bird of the family Heliornithidae. Sun grebes, also called finfoots, are remarkable for their colorful, puffy-toed, webbed feet, which may serve a...

muslin

(Encyclopedia)muslin, general name for plain woven fine white cottons for domestic use. It is believed that muslins were first made at Mosul (now a city of Iraq). They were widely made in India, from where they wer...

porcelain

(Encyclopedia)porcelain [Ital. porcellana], white, hard, permanent, nonporous pottery having translucence which is resonant when struck. Porcelain was first made by the Chinese to withstand the great heat generated...

peccary

(Encyclopedia)peccary pĕkˈərē [key], small wild pig, genus Tayassu, the only pig native to the Americas. Although similar in appearance to Old World pigs, peccaries are classified in a family of their own becau...

Van Dyck, Sir Anthony

(Encyclopedia)Van Dyck or Vandyke, Sir Anthony both: văn dīk [key], 1599–1641, Flemish portrait and religious painter and etcher, b. Antwerp. In 1618 he was received as a master in the artists' guild, but even ...

Aldrich, Nelson Wilmarth

(Encyclopedia)Aldrich, Nelson Wilmarth, 1841–1915, U.S. Senator from Rhode Island, b. Foster, R.I. He rose in local politics as state assemblyman (1875–76) and U.S. Representative (1879–81) before he served a...

contact lens

(Encyclopedia)contact lens, thin plastic lens worn between the eye and eyelid that may be used instead of eyeglasses. Actors, models, and others wear them for appearance, and athletes use them for safety and conven...

Johnson, Hiram Warren

(Encyclopedia)Johnson, Hiram Warren, 1866–1945, American political leader, U.S. Senator from California (1917–45), b. Sacramento, Calif. His role as attorney in the successful prosecution of Abe Ruef, political...

Mahan, Alfred Thayer

(Encyclopedia)Mahan, Alfred Thayer məhănˈ [key], 1840–1914, U.S. naval officer and historian, b. West Point, N.Y. A Union naval officer in the Civil War, he later lectured on naval history and strategy at the ...