Columbia Encyclopedia

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heath, tract of open land

(Encyclopedia)heath, tract of open land characterized by a few scattered trees, abundant moss cover, and numerous low shrubs, principally of the heath family (see heath, in botany). In high-latitude regions with mi...

lupine

(Encyclopedia)lupine or lupin lo͞oˈpĭn [key], any species of the genus Lupinus, annual or perennial herbs or shrubs of the family Leguminosae (pulse family). These leguminous plants have been cultivated in the M...

Health and Human Services, United States Department of

(Encyclopedia)Health and Human Services, United States Department of, federal executive department charged with administering government health programs. Successor to the Department of Health, Education, and Welfar...

Chihuahua, breed of dog

(Encyclopedia)Chihuahua chəwäˈwə [key], a breed of small toy dog probably of Asian origin and introduced into Mexico by Spanish settlers. It stands about 5 in. (12.7 cm) high at the shoulder and weighs from 1 t...

Man, Isle of

(Encyclopedia)Man, Isle of, island and dependency of the British crown (2015 est. pop. 83,000), 227 sq mi (588 sq km), off Great Britain, in the Irish Sea. The coast is rocky with precipitous cliffs; the Calf of Ma...

carotene

(Encyclopedia)carotene kârˈətēnˌ [key], long-chained, unsaturated hydrocarbon found as a pigment in many higher plants, particularly carrots, sweet potatoes, and leafy vegetables. Carotene is thought to assist...

folk medicine

(Encyclopedia)folk medicine, methods of curing by means of healing objects, herbs, or animal parts; ceremony; conjuring, magic, or witchcraft; and other means apart from the formalized practice of medical science. ...

American Museum of Natural History

(Encyclopedia)American Museum of Natural History, incorporated in New York City in 1869 to promote the study of natural science and related subjects. Buildings on its present site facing Central Park were opened in...

nutrition

(Encyclopedia)nutrition, study of the materials that nourish an organism and of the manner in which the separate components are used for maintenance, repair, growth, and reproduction. Nutrition is achieved in vario...

longevity

(Encyclopedia)longevity lŏnjĕvˈĭtē [key], term denoting the length or duration of the life of an animal or plant, often used to indicate an unusually long life. The average human life-span of threescore and te...