Columbia Encyclopedia

Search results

500 results found

giraffe

(Encyclopedia)giraffe, African ruminant mammal, genus Giraffa, living in open savanna S of the Sahara. Giraffes have historically been considered to be one species, G. camelopardalis, with a number of subspecies, b...

Fermat, Pierre de

(Encyclopedia)Fermat, Pierre de pyĕr də fĕrmäˈ [key], 1601–65, French mathematician. A magistrate whose avocation was mathematics, Fermat is known as a founder of modern number theory and probability theory....

ivory-billed woodpecker

(Encyclopedia)ivory-billed woodpecker, common name for the largest of the North American woodpeckers, Campephilus principalis. Once plentiful in Southern hardwood forests, it was believed to be extinct or nearing e...

apprenticeship

(Encyclopedia)apprenticeship, system of learning a craft or trade from one who is engaged in it and of paying for the instruction by a given number of years of work. The practice was known in ancient Babylon, Egypt...

domestic service

(Encyclopedia)domestic service, work performed in a household by someone who is not a member of the family. It was performed by slaves in many early civilizations, e.g., in Greece and Rome. Under the feudal system ...

Dutch language

(Encyclopedia)Dutch language, member of the West Germanic group of the Germanic subfamily of the Indo-European family of languages (see Germanic languages). Also called Netherlandish, it is spoken by about 15 milli...

socialized medicine

(Encyclopedia)socialized medicine, publicly administered system of national health care. The term is used to describe programs that range from government operation of medical facilities to national health-insurance...

spinal column

(Encyclopedia)spinal column, bony column forming the main structural support of the skeleton of humans and other vertebrates, also known as the vertebral column or backbone. It consists of segments known as vertebr...

West Nile virus

(Encyclopedia)West Nile virus, microorganism and the infection resulting from it, which typically produces no symptoms or a flulike condition. The virus is a flavivirus and is related to a number of viruses that ca...

Russian language

(Encyclopedia)Russian language, also called Great Russian, member of the East Slavic group of the Slavic subfamily of the Indo-European family of languages (see Slavic languages). The principal language of administ...