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Marcus, Rudolph Arthur

(Encyclopedia)Marcus, Rudolph Arthur, 1923–, American chemist, b. Montreal, Canada. A professor at the California Institute of Technology, he was awarded the 1992 Nobel Prize in Chemistry for developing a theory ...

Clifton

(Encyclopedia)Clifton, industrial city (2020 pop. 90,296), Passaic co., NE N.J., on the Passaic River; settled 1685, set off from Passaic and inc. 1917. It has steel,...

Sand Springs

(Encyclopedia)Sand Springs, city (1990 pop. 15,346), Tulsa co., NE Okla., an industrial suburb of Tulsa, on the Arkansas River; founded 1907. There are oil and natural-gas wells and food-processing and chemical ind...

Lavoisier, Antoine Laurent

(Encyclopedia)Lavoisier, Antoine Laurent äNtwänˈ lōräNˈ lävwäzyāˈ [key], 1743–94, French chemist and physicist, a founder of modern chemistry. He studied under eminent men of his day, won early recognit...

Gulf War syndrome

(Encyclopedia)Gulf War syndrome, popular name for a variety of ailments experienced by veterans after the Persian Gulf War. Symptoms reported include nausea, cramps, rashes, short-term memory loss, fatigue, difficu...

tantalum

(Encyclopedia)tantalum tănˈtələm [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, +4, or +5....

bleaching

(Encyclopedia)bleaching, process of whitening by chemicals or by exposure to sun and air, commonly applied to textiles, paper pulp, wheat flour, petroleum products, oils and fats, straw, hair, feathers, and wood. C...

Radcliffe

(Encyclopedia)Radcliffe, town (1991 pop. 27,664), Bury metropolitan district, N England, in the Greater Manchester metropolitan area. Industries include cotton and rayon mills and chemical, engineering, and paper p...

Leguía, Augusto Bernardino

(Encyclopedia)Leguía, Augusto Bernardino ougo͞osˈtō bārnärdēˈnō lāgēˈä [key], 1863–1932, president of Peru (1908–12, 1919–30). In his second administration Leguía promulgated a new constitution ...

Nagin, Ray

(Encyclopedia)Nagin, Ray (Clarence Ray Nagin, Jr.), 1956–, African-American politician, b. New Orleans. A Louisiana cable-television executive before entering politics, Nagin won the 2002 mayoral election handily...