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cocaine
(Encyclopedia)cocaine kōkānˈ, kōˈkān [key], alkaloid drug derived from the leaves of the coca shrub. A commonly abused illegal drug, cocaine has limited medical uses, most often in surgical applications that ...crack
(Encyclopedia)crack: see cocaine.coca
(Encyclopedia)coca kōˈkə [key], common name for shrubs of the genus Erythroxylum, particularly E. coca, of the family Erythroxylaceae, and found abundantly in upland regions and on mountain slopes of South Ameri...Halsted, William Stewart
(Encyclopedia)Halsted, William Stewart hôlˈstĭd [key], 1852–1922, American surgeon, b. New York City, M.D. College of Physicians and Surgeons, 1877. He practiced in New York and in 1886 became the first profes...Maradona, Diego Armando
(Encyclopedia)Maradona, Diego Armando, 1960–2020, Argentinian soccer star. A strong forward with spectacular abilities, superb dribbling skills, and great personal flair, he began his career as a teenager playing...Robinson, Sir Robert
(Encyclopedia)Robinson, Sir Robert, 1886–1975, British chemist, D.Sc. Univ. of Manchester, 1910. Robinson taught at the universities of Sydney (1912–15), Liverpool (1915–20), St. Andrews (1921–22), Manchest...Whitaker, Pernell
(Encyclopedia)Whitaker, Pernell, 1964–2019, American boxer, b. Norfolk, Va. A left-handed fighter with brilliant defensive skills, he was a 1984 Olympic gold medalist in the 132-pound lightweight division. Turnin...Cali
(Encyclopedia)Cali käˈlē [key], city, capital of Valle del Cauca dept., W Colombia, on the Cali River. I...drug addiction and drug abuse
(Encyclopedia)drug addiction and drug abuse, chronic or habitual use of any chemical substance to alter states of body or mind for other than medically warranted purposes. Traditional definitions of addiction, with...alkaloid
(Encyclopedia)alkaloid, any of a class of organic compounds composed of carbon, hydrogen, nitrogen, and usually oxygen that are often derived from plants. Although the name means alkalilike, some alkaloids do not e...Browse by Subject
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