Columbia Encyclopedia

Search results

354 results found

Scotland, Church of

(Encyclopedia)Scotland, Church of, the established national church of Scotland, Presbyterian (see Presbyterianism) in form. The first Protestants in Scotland, led by Patrick Hamilton, were predominantly Lutheran. H...

Allen, Woody

(Encyclopedia)Allen, Woody, 1935–, American actor, writer, and director, one of contemporary America's leading filmmakers, b. Brooklyn, N.Y., as Allen Stewart Konigsberg. Allen began his career writing for televi...

computer virus

(Encyclopedia)computer virus, rogue computer program, typically a short program designed to disperse copies of itself to other computers and disrupt those computers' normal operations. A computer virus usually atta...

isotope

(Encyclopedia)CE5 Isotopes of hydrogen isotope īˈsətōp [key], in chemistry and physics, one of two or more atoms having the same atomic number but differing in atomic weight and mass number. The concept of ...

radiation sickness

(Encyclopedia)radiation sickness, harmful effect produced on body tissues by exposure to radioactive substances. The biological action of radiation is not fully understood, but it is believed that a disturbance in ...

Ctenophora

(Encyclopedia)CE5 Pleurobrachia, representative of the phylum Ctenophora Ctenophora tĭnŏfˈərə [key], a small phylum of exclusively marine, invertebrate animals, commonly known as comb jellies. Because they...

classification

(Encyclopedia)CE5 classification, in biology, the systematic categorization of organisms into a coherent scheme. The original purpose of biological classification, or systematics, was to organize the vast number...

fiber

(Encyclopedia)fiber, threadlike strand, usually pliable and capable of being spun into a yarn. Many different fibers are known to be usable; some 40 of these are of commercial importance, and others are of local or...

Nansen, Fridtjof

(Encyclopedia)Nansen, Fridtjof frĭtˈyôf nänˈsən [key], 1861–1930, Norwegian arctic explorer, scientist, statesman, and humanitarian. The diversity of Nansen's interests is shown in his writings, which inclu...

Southeast Asia

(Encyclopedia)Southeast Asia, region of Asia (1990 est. pop. 442,500,000), c.1,740,000 sq mi (4,506,600 sq km), bounded roughly by the Indian subcontinent on the west, China on the north, and the Pacific Ocean on t...