Columbia Encyclopedia

Search results

309 results found

booby

(Encyclopedia)booby, common name for some members of the family Sulidae, large, streamlined sea birds. Tropical and subtropical members of the family are called boobies; those of northern waters are called gannets....

adolescence

(Encyclopedia)adolescence, time of life from onset of puberty to full adulthood. The exact period of adolescence, which varies from person to person, falls approximately between the ages 12 and 20 and encompasses b...

schistosomiasis

(Encyclopedia)schistosomiasis bĭlˌhärzīˈəsĭs [key], or snail fever, parasitic disease caused by blood flukes, trematode worms of the genus Schistosoma. Three species are human parasites: S. mansoni, S. japon...

Smith, Sydney

(Encyclopedia)Smith, Sydney, 1771–1845, English clergyman, writer, and wit, ordained in the Church of England in 1794. In 1798 he went as a tutor to Edinburgh, where he studied medicine, occasionally preached, an...

sap

(Encyclopedia)sap, fluid in plants consisting of water and dissolved substances. Cell sap refers to this fluid present in the large vacuole, or cell cavity, that occupies most of the central portion of mature plant...

Sanger, Margaret Higgins

(Encyclopedia)Sanger, Margaret Higgins, 1879–1966, American leader in the birth control movement, b. Corning, N.Y. Personal experience and work as a public-health nurse, much of it on New York City's Lower East S...

bootlegging

(Encyclopedia)bootlegging, in the United States, the illegal distribution or production of liquor and other highly taxed goods. First practiced when liquor taxes were high, bootlegging was instrumental in defeating...

Weber, Max, German sociologist

(Encyclopedia)Weber, Max vāˈbər [key], 1864–1920, German sociologist, economist, and political scientist. At various times he taught at Berlin, Freiburg, Munich, and Heidelberg. One of Weber's chief interests...

Jobs, Steven Paul

(Encyclopedia)Jobs, Steven Paul jŏbz [key], 1955–2011, American computer-industry executive, b. San Francisco. He dropped out of Reed College (1972), and working with Stephen Wozniak, helped launch the personal-...

Browse by Subject