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W and Z particles
W and Z particles elementary particles that mediate, or carry, the fundamental force associated with weak interactions . The discovery of the W and Z particles at CERN near Geneva, Switzerland, in the early 1980s was an important confirmation of electroweak theory, which unifies the electr...
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Jovian planets
Jovian planets the planets Jupiter , Saturn , Uranus , and Neptune . They are all larger and more massive than the earth. Since they rotate faster, they are more flattened at the poles than are the terrestrial planets . They are less dense than the earth, as they are composed of gaseous matter...
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José Sarney Costa
José Sarney Costa 1930-, Brazilian politician, president of Brazil (1985-90). He served as a federal deputy (1958-64), governor of Maranhâo (1965-70), and federal senator (1970-84). He became vice president in the elections (1985) ending military rule, and was sworn in as president upo...
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anglesite
anglesite , pale green, blue, yellow-to-white, or colorless mineral, a sulfate of lead, PbSO 4 , that is formed by oxidation of galena , crystallizing in the orthorhombic system and occurring also in granular or massive form. It is widely distributed and commonly associated with galena and other le...
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arsenopyrite
arsenopyrite or mispickel , silver-white to steel-gray mineral with the metallic luster characteristic of a pyrite . It is a sulfarsenide of iron, FeAsS, crystallizing in the orthorhombic system and occurring also in massive form. It is widely distributed and is an important source of arsenic. ...
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cerussite
cerussite , colorless to white or gray mineral, sometimes yellowish or greenish, transparent to opaque, very brittle, crystallizing in the orthorhombic system and occurring also in granular and massive form. It is a carbonate of lead, PbCO 3 , formed by the action of carbonate and bicarbonate soluti...
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chalcopyrite
chalcopyrite or copper pyrites , brass-yellow mineral, sometimes with an iridescent tarnish. It is a sulfide of copper and iron, CuFeS 2 . It crystallizes in the tetragonal system but is usually found in the massive form. Chalcopyrite is of primary origin and occurs in igneous and metamo...
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Kota
Kota , city (1991 pop. 537,371), Rajasthan state, NW India, on the Chambal River. Kota, enclosed by a massive wall, is a district administrative center and a market for sugarcane, oilseed, and building stone. The city has an airport; the nearby Chambal Dam supplies the city with hydroelectric power ...
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Reuben Nakian
Reuben Nakian , 1897-1986, American sculptor, b. College Point, New York. Nakian's work is characterized by bold, massive, rough-textured forms organically draped or leaning heavily against one another. Most are abstract portrayals of themes from classical mythology. The monumental Rape of Lucrece ...
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nephrosis
nephrosis , kidney disease characterized by lesions of the epithelial lining of the renal tubules, resulting in marked disturbance in the filtration function and the consequent appearance of large amounts of protein (albumin) in the urine (see urinary system ). The nephrotic syndrome can result fro...
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