Columbia Encyclopedia

(Encyclopedia) spinal puncture, surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or anesthetics (see anesth...

(Encyclopedia) Ghor, the, Arabic Al Ghawr, region of the Jordan Valley, c.70 mi (110 km) long, between the Sea of Galilee (Lake Tiberias) and the Dead Sea, on the border of Jordan and Israel and the West Bank. Entir...

(Encyclopedia) Galle gäl [key], city (1995 est. pop. 87,000), capital of Southern prov., extreme S Sri Lanka, on the Indian Ocean. An agricultural market center, it exports tea, rubber, coconut oil, cloves, and oth...

(Encyclopedia) Great Lakes, group of five freshwater lakes, central North America, creating a natural border between the United States and Canada and forming the largest body of freshwater in the world, with a combi...

(Encyclopedia) Morris, Gouverneur gəvərnērˈ, –no͝orˈ [key], 1752–1816, American political leader and diplomat, b. Morrisania, N.Y. (now part of the Bronx); a grandson of Lewis Morris (1671–1746), he was ...

(Encyclopedia) Tilden, Samuel Jones, 1814–86, American political figure, Democratic presidential candidate in 1876, b. New Lebanon, N.Y. Admitted to the bar in 1841, Tilden was an eminently successful lawyer, with...

(Encyclopedia) Erie, Lake, 9,940 sq mi (25,745 sq km), 241 mi (388 km) long and from 30 to 57 mi (48–92 km) wide, bordered on the N by S Ont., Canada, on the E by W N.Y., on the S by NW Pa. and N Ohio, and on the ...

(Encyclopedia) cinchona chĭngkōˈnə [key], name for species of the genus Cinchona, evergreen trees of the madder family native to the Andean highlands from Bolivia to Colombia and also to some mountainous regions...

(Encyclopedia) Root, Elihu, 1845–1937, American cabinet member and diplomat, b. Clinton, N.Y. Admitted to the bar in 1867, he practiced law in New York City, became prominent in Republican politics, and was appoin...

(Encyclopedia) Sharif, Nawaz näwäzˈ shärēfˈ [key], 1949–, Pakistani politician; grad. Government College, Lahore; Punjab Univ. Law College. Born into a prominent Lahore business family, he was by 1980 direct...