Columbia Encyclopedia

Search results

144 results found

information theory

(Encyclopedia)information theory or communication theory, mathematical theory formulated principally by the American scientist Claude E. Shannon to explain aspects and problems of information and communication. Whi...

North Africa, campaigns in

(Encyclopedia)North Africa, campaigns in, series of military contests for control of North Africa during World War II. The desert war started in 1940 and for more than two years thereafter seesawed between NE Libya...

semantics

(Encyclopedia)semantics [Gr.,=significant] in general, the study of the relationship between words and meanings. The empirical study of word meanings and sentence meanings in existing languages is a branch of lingu...

Louvre

(Encyclopedia)Louvre lo͞oˈvrə [key], foremost French museum of art, located in Paris. The building was a royal fortress and palace built by Philip II in the late 12th cent. In 1546 Pierre Lescot was commissioned...

steamship

(Encyclopedia)steamship, watercraft propelled by a steam engine or a steam turbine. Despite such innovations as turbo-electric drive, which converts steam energy into rotational power for turning the propeller...

type

(Encyclopedia)type, for printing, was invented in China (c.1040), using woodblocks. Related devices, such as seals and stamps for making impressions in clay, had been used in ancient times in Babylon and elsewhere....

Canadian literature, French

(Encyclopedia)Canadian literature, French, the body of literature of the French-speaking population of Canada. Except for the narratives of French explorers (such as Samuel de Champlain and Pierre Esprit Radisson) ...

French architecture

(Encyclopedia)French architecture, structures created in the area of Europe that is now France. Engineers and architects, including François Hennebique, Auguste Perret, and Tony Garnier, pioneered the use of rei...

ethics

(Encyclopedia)ethics, in philosophy, the study and evaluation of human conduct in the light of moral principles. Moral principles may be viewed either as the standard of conduct that individuals have constructed fo...

landscape painting

(Encyclopedia)landscape painting, portrayal of scenes found in the natural world; these scenes are treated as the subject of the work of art rather than as an element in another kind of painting. In China landsca...