Columbia Encyclopedia

Search results

500 results found

compass plant

(Encyclopedia)compass plant or rosinweed, large, coarse North American perennial herb (Silphium laciniatum) of the family Asteraceae (aster family), found chiefly in open grasslands. The deeply cut leaves tend to p...

uterus

(Encyclopedia)uterus, in most female mammals, hollow muscular organ in which the fetus develops and from which it is delivered at the end of pregnancy. The human uterus is pear-shaped and about 3 in. (7.6 cm) long ...

Pinophyta

(Encyclopedia)Pinophyta pīˌnŏfˈətə [key], division of the plant kingdom consisting of those organisms commonly called gymnosperms. The gymnosperms, a group that includes the pine, have stems, roots and leaves...

Qaraghandy

(Encyclopedia)Qaraghandy or Karaganda both: kärˌəgänˈdə [key], city (1993 est. pop. 596,000), in central Kazakhstan, on the Trans-Kazakhstan RR. It consists of about 50 coal-mining settlements scattered aroun...

succulent

(Encyclopedia)succulent sŭkˈyələnt [key], any fleshy plant that belongs to one of many diverse families, among them species of cactus, aloe, stonecrop, houseleek, agave, and yucca. Most succulents are indigenou...

hospital

(Encyclopedia)hospital, institution for the care of the sick, maintained by private endowment or public funds or both. General hospitals minister to all types of illness, while special hospitals are concerned with ...

vomiting

(Encyclopedia)vomiting, ejection of food and other matter from the stomach through the mouth, often preceded by nausea. The process is initiated by stimulation of the vomiting center of the brain by nerve impulses ...

Saskatoon

(Encyclopedia)Saskatoon săskəto͞onˈ [key], city (1991 pop. 186,058), S central Sask., Canada, on the South Saskatchewan River. The largest city in the province, it is the chief manufacturing and distribution ce...

pneumoconiosis

(Encyclopedia)pneumoconiosis no͞oˌməkōˌnēōˈsĭs [key], chronic disease of the lungs. Primarily an occupational disease of miners, sandblasters, and metal grinders, it is a result of repeated inhalation of d...

tongue

(Encyclopedia)tongue, muscular organ occupying the floor of the mouth in vertebrates. In some animals, such as lizards, anteaters, and frogs, it serves a food-gathering function. In humans, the tongue functions pri...

Browse by Subject