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smog

(Encyclopedia) smogsmogsmŏg [key] [smoke+fog], dense, visible air pollution. Smog is commonly of two types. The gray smog of older industrial cities like London and New York derives from the massive…

Schwarzenegger, Arnold Alois

(Encyclopedia) Schwarzenegger, Arnold Alois, 1947–, Austrian-American actor, bodybuilder, and politician, b. Thal, Austria. He began competing in bodybuilding contests in his teens, and won his first…

pitta

(Encyclopedia) pittapittapĭtˈə [key], name used to refer to a genus (Pitta) of small, plump, brightly colored birds. The genus, including some twenty-three species, constitutes the whole of the…

parody

(Encyclopedia) parody, mocking imitation in verse or prose of a literary work. The following poem by Robert Southey was parodied by Lewis Carroll: “You are old, Father William,” the young man cried…

sandgrouse

(Encyclopedia) sandgrouse, common name for pigeon-sized, seed-eating, terrestrial birds of the genera Pteroclida (approximately 14 species) and Syrrhaptes (2 species). They are birds of the Old World…

niobium

(Encyclopedia) niobiumniobiumnīōˈbēəm [key], metallic chemical element; symbol Nb; at. no. 41; at. wt. 92.90638; m.p. about 2,468℃; b.p. 4,742℃; sp. gr. 8.57 at 20℃; valence +2, +3, +4, or +5.…

Oxford, city, England

(Encyclopedia) Oxford, city (1991 pop. 113,847) and district, county seat of Oxfordshire, S central England. In addition to its importance as the site of the Univ. of Oxford, the city has significant…

tantalum

(Encyclopedia) tantalumtantalumtănˈtələm [key] [from Tantalus], metallic chemical element; symbol Ta; at. no. 73; at. wt. 180.94788; m.p. 2,996℃; b.p. 5,400±100℃; sp. gr. 16.65 at 20℃; valence +2, +3…

swift

(Encyclopedia) swift, common name for small, swallowlike birds related to the hummingbird and found all over the world, chiefly in the tropics. They range in size from 6 to 12 in. (15–30 cm) in…

bustard

(Encyclopedia) bustardbustardbŭsˈtərd [key], a heavy-bodied, ground-running bird of the family Otididae. Various species are found throughout the arid regions of Africa, Asia, Australia, and S Europe…