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pharmacopoeia

(Encyclopedia)pharmacopoeia or pharmocopeia färˌməkəpēˈə [key], authoritative publication designating the properties, action, use, dosage, and standards of strength and purity of drugs. It is compiled under ...

rifampin

(Encyclopedia)rifampin rĭfămˈpĭn [key], antibiotic used in the treatment of tuberculosis. It is also used to eliminate the meningococcus microorganism from carriers and to treat leprosy, or Hansen's disease. Ri...

nitrogen mustard

(Encyclopedia)nitrogen mustard, any of various poisonous compounds originally developed for military use (see poison gas). Like mustard gas and lewisite, it is a vesicant (blistering agent). In the form of its crys...

HIV

(Encyclopedia)HIV, human immunodeficiency virus, either of two closely related retroviruses that invade T-helper lymphocytes and are responsible for AIDS. There are two types of HIV: HIV-1 and HIV-2. HIV-1 is respo...

macular degeneration

(Encyclopedia)macular degeneration, eye disorder causing loss of central vision. The affected area, the macula, lies at the back of the retina and is the part that produces the sharpest vision. The most serious vis...

Johnson, Denis

(Encyclopedia)Johnson, Denis, 1949–2017, American writer, b. Munich, Germany, where his father was a diplomat; B.A. Univ. of Iowa, 1971, M.F.A. Iowa Writers' Workshop, 1974. Years of drinking and taking drugs end...

hashish

(Encyclopedia)hashish hăshˈēsh, –ĭsh [key], resin extracted from the flower clusters and top leaves of the hemp plant, Cannabis sativa, and C. indica. Hashish, called charas in India, is the most potent grade...

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...

Holiday, Billie

(Encyclopedia)Holiday, Billie, 1915–59, American singer, b. Baltimore. Her original name was Eleanora Fagan. She began singing professionally in 1930, and after performing with numerous bands—especially those o...

Childress, Alice

(Encyclopedia)Childress, Alice, 1920–94, American playwright and novelist, b. Charleston, S.C. She moved (1925) to New York City and was raised in Harlem. Childress joined the American Negro Theatre in 1941, and ...