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Pachycephalosaurus

(Encyclopedia) PachycephalosaurusPachycephalosauruspăkˌĭsĕfˌəlōsôrˈəs [key] [Gr., = thick-headed lizard], bipedal herbivorous dinosaur of the late Cretaceous period, approximately 68–65 million years…

Peace Corps

(Encyclopedia) Peace Corps, agency of the U.S. government, whose purpose is to assist underdeveloped countries in meeting their needs for trained manpower. The Peace Corps was established in 1961 by…

piezoelectric effect

(Encyclopedia) piezoelectric effectpiezoelectric effectpīēˌzōĭlĕkˈtrĭk [key], voltage produced between surfaces of a solid dielectric (nonconducting substance) when a mechanical stress is applied to…

Pemba

(Encyclopedia) PembaPembapāmˈbə [key], island (2012 pop. 223,033), c.380 sq mi (980 sq km), NE Tanzania, in the Indian Ocean just off the E African mainland. Pemba is part of the semiautonomous…

Parker, Alton Brooks

(Encyclopedia) Parker, Alton Brooks, 1852–1926, American jurist, U.S. presidential candidate (1904), b. Cortland, N.Y. He practiced law in Kingston, N.Y., and was (1877–85) surrogate of Ulster co., N…

Panama Canal Zone

(Encyclopedia) Panama Canal Zone, former territory within Panama, 553 sq mi (1,432 sq km), that was administered by the United States under a 1903 treaty (with later amendments) with Panama. The zone…

O'Neill, Tip

(Encyclopedia) O'Neill, Tip (Thomas Philip O'Neill, Jr.), 1912–94, American political leader, Speaker of the U.S. House of Representatives (1977–87), b. Cambridge, Mass. A Democrat and unwavering New…

Nujoma, Sam

(Encyclopedia) Nujoma, Sam (Samuel Daniel Shafiishuna Nujoma)Nujoma, Samn&oomacr;yōˈmä [key], 1929–, Namibian political leader. A railway worker in what was then the South African mandate of…

Social Gospel

(Encyclopedia) Social Gospel, liberal movement within American Protestantism that attempted to apply biblical teachings to problems associated with industrialization. It took form during the latter…

Southwark

(Encyclopedia) SouthwarkSouthwarksŭᵺˈərk, southˈwərk [key], inner borough (1991 pop. 196,500) of Greater London, SE England, on the Thames River. Printing, engineering, and furniture manufacture are…