Columbia Encyclopedia

Search results

500 results found

ipecac

(Encyclopedia)ipecac ĭpˈĭkăk [key], drug obtained from the dried roots of a creeping shrub, Cephaelis (or Psychotria) ipecacuanha, native to Brazil but cultivated in other tropical climates. There are three var...

Jack the Ripper

(Encyclopedia)Jack the Ripper, name given to an unidentified late-19th-century murderer in London, England; also known as the Whitechapel Murderer and Leather Apron. From Aug. to Nov., 1888, he was responsible for ...

Arbuthnot, John

(Encyclopedia)Arbuthnot, John ärbŭthˈnət, ärˈbəthnŏt [key], 1667–1735, Scottish author and scientist, court physician (1705–14) to Queen Anne. He is best remembered for his five “John Bull” pamphlet...

Steinman, Ralph Marvin

(Encyclopedia)Steinman, Ralph Marvin, 1943–2011, Canadian biologist, M.D. Harvard Medical School, 1968. He was a researcher and professor at Rockefeller Univ., New York City, from 1970 until his death in 2011. St...

Syracuse, city, United States

(Encyclopedia)Syracuse sĭrˈəkyo͞os, sĕrˈ– [key], city (1990 pop. 163,860), seat of Onondaga co., central N.Y., on Onondaga Lake and the Erie Canal; settled c.1788, inc. as a city 1848. It is a port of entry...

Szostak, Jack William

(Encyclopedia)Szostak, Jack William, 1952–, American molecular biologist, b. London, England, Ph.D. Cornell, 1977. Szostak has been a professor at Harvard Medical School and a researcher at Massachusetts General ...

Brown, William Wells

(Encyclopedia)Brown, William Wells, 1814–84, African-American abolitionist, writer, and doctor, b. near Lexington, Ky. Born into slavery, the child of a black slave mother and a white slaveholding father, Brown f...

caduceus

(Encyclopedia)caduceus kədyo͞oˈsēəs [key], wing-topped staff, with two snakes winding about it, carried by Hermes, given to him (according to one legend) by Apollo. The symbol of two intertwined snakes appeare...

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 ...

phthalates

(Encyclopedia)phthalates, family of chemical compounds made from alcohols and phthalic anhydride, C6H4(CO)2O. Oily, colorless, odorless liquids that do not evaporate readily, they are used primarily to make polyvin...

Browse by Subject