Columbia Encyclopedia

Search results

277 results found

internal-combustion engine

(Encyclopedia)CE5 Internal-combustion engines: In the four-stroke reciprocating engine (above), a mixture of fuel and air is taken into the chamber on the down-stroke of the piston, is compressed on the up-strok...

Slovakia

(Encyclopedia)CE5 Slovakia slôˈvĕnskô [key], republic (2015 est. pop. 5,439,000), 18,917 sq mi (48,995 sq km), central Europe. It is bordered by the Czech Republic in the west, by Austria in the southwest, b...

Roosevelt, Franklin Delano

(Encyclopedia)Roosevelt, Franklin Delano rōˈzəvĕlt [key], 1882–1945, 32d President of the United States (1933–45), b. Hyde Park, N.Y. Apart from extending diplomatic recognition to the USSR (1933), th...

Germany

(Encyclopedia)CE5 Germany jûrˈmənē [key], Ger. Deutschland, officially Federal Republic of Germany, ...

history

(Encyclopedia)history, in its broadest sense, is the story of humanity's past. It also refers to the recording of that past. The diverse sources of history include books, newspapers, printed documents, personal pap...

photography, still

(Encyclopedia)photography, still, science and art of making permanent images on light-sensitive materials. See also photographic processing; motion picture photography; motion pictures. By the end of ...

drama, Western

(Encyclopedia)drama, Western, plays produced in the Western world. This article discusses the development of Western drama in general; for further information see the various national literature articles. During ...