Columbia Encyclopedia

Search results

500 results found

quadratic

(Encyclopedia)quadratic, mathematical expression of the second degree in one or more unknowns (see polynomial). The general quadratic in one unknown has the form ax2+bx+c, where a, b, and c are constants and x is t...

Bolaño, Roberto

(Encyclopedia)Bolaño, Roberto bōlänˈyō [key], 1953–2003, Chilean novelist widely regarded as the most influential Spanish-language writer of his generation. He led a peripatetic life, and his fictional prota...

Leung Chun-ying

(Encyclopedia)Leung Chun-ying, 1954–, Hong Kong business and political leader, often referred to as C. Y. Leung. He studied surveying at Hong Kong Polytechnic and real estate management in Bristol, England. Retur...

image

(Encyclopedia)image, in optics, likeness or counterpart of an object produced when rays of light coming from that object are reflected from a mirror or are refracted by a lens. An image of an object is also formed ...

Lodge, David

(Encyclopedia)Lodge, David (David John Lodge), 1935–, English novelist and critic, b. London, grad. University College, London (B.A. 1955, M.A. 1959) and the Univ. of Birmingham (Ph.D., 1967). Lodge taught at the...

Algerine War

(Encyclopedia)Algerine War ălˈjərēnˌ [key], early 19th-century conflict between Algiers and the United States. The Tripolitan War (1801–5) had brought a temporary halt to the pirate activities of the Barbary...

Noah, Mordecai Manuel

(Encyclopedia)Noah, Mordecai Manuel , nōˈə [key], 1785–1851, American journalist and politician, b. Philadelphia. He became a journalist in Charleston, S.C., and gave ardent support to the War of 1812. As a sp...

Roth, Philip

(Encyclopedia)Roth, Philip (Philip Milton Roth), 1933–2018, American author, one of the most important novelists of the 20th cent., b. Newark, N.J., B.A. Bucknell Univ., 1954, M.A. Univ. of Chicago, 1955. His wri...

American Academy and Institute of Arts and Letters

(Encyclopedia)American Academy and Institute of Arts and Letters, honorary academy of notable American artists, writers, and composers. The National Institute of Arts and Letters, founded in 1898, served as the par...

Browse by Subject