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Napa

(Encyclopedia)Napa năpˈə [key], city (1990 pop. 61,842), seat of Napa co., W Calif., on the Napa River; inc. 1872. There are wineries and factories that produce medical and electronic equipment, beverages, appar...

Hamilton, Alice

(Encyclopedia)Hamilton, Alice, 1869–1970, American toxicologist, physician, and educator, b. New York City, M.D. Univ. of Michigan, 1893; she continued her studies in Germany. A pioneer in industrial diseases and...

Georgetown University

(Encyclopedia)Georgetown University, in the Georgetown section of Washington, D.C.; Jesuit; coeducational; founded 1789 by John Carroll, chartered 1815, inc. 1844. Its law and medical schools are noteworthy, and it...

ammonium chloride

(Encyclopedia)ammonium chloride əmōˈnēəm klôrˈīd [key], chemical compound, NH4Cl, a white or colorless, odorless, water-soluble, cubic crystalline salt with a biting taste, commonly known as sal ammoniac. I...

Howard, Leland Ossian

(Encyclopedia)Howard, Leland Ossian, 1857–1950, American entomologist, b. Rockford, Ill., grad. Cornell (B.S., 1877), Ph.D. Georgetown Univ., 1896. Associated with the U.S. Bureau of Entomology from 1878 (as its ...

du Vigneaud, Vincent

(Encyclopedia)du Vigneaud, Vincent dyo͞o vēnˈyō [key], 1901–78, American biochemist, b. Chicago. He was professor of biochemistry and head of the department at George Washington Univ. school of medicine (1932...

Dale, Sir Henry Hallett

(Encyclopedia)Dale, Sir Henry Hallett, 1875–1968, English scientist. For his study of acetylcholine as agent in the chemical transmission of nerve impulses he shared with Otto Loewi the 1936 Nobel Prize in Physio...

constipation

(Encyclopedia)constipation, infrequent or difficult passage of feces. Constipation may be caused by the lack of adequate roughage or fluid in the diet, prolonged physical inactivity, certain drugs, or emotional dis...

etiquette

(Encyclopedia)etiquette, name for the codes of rules governing social or diplomatic intercourse. These codes vary from the more or less flexible laws of social usage (differing according to local customs or taboos)...

New Brunswick, city, United States

(Encyclopedia)New Brunswick, city (1990 pop. 41,711), seat of Middlesex co., central N.J., on the Raritan River; settled 1681, inc. as a city 1784. Originally developed as a commercial center (especially for collec...