Columbia Encyclopedia

Search results

500 results found

trypanosome

(Encyclopedia)trypanosome trĭpˈənəsōmˌ [key], microscopic, one-celled protozoan of the genus Trypanosoma, typically living as an active parasite in the bloodstream of a vertebrate; hundreds of species are kno...

whaling

(Encyclopedia)whaling, the hunting of whales for the oil that can be rendered from their flesh, for meat, and for baleen (whalebone). Historically, whale oil was economically the most important. In 1932–33, par...

fossa

(Encyclopedia)fossa, carnivorous mammal, Cryptoprocta ferox, of Madagascar. The island's largest carnivore, the fossa resembles a puma in appearance and has semiretractable claws, but it is most closely related to ...

Whitlam, Gough

(Encyclopedia)Whitlam, Gough gŏf [key], 1916–2014, Australian political leader. Edward Gough Whitlam studied law and entered practice near Sydney after serving in World War II. A member of the Labour party, he w...

dahlia

(Encyclopedia)dahlia dälˈyə, dălˈ– [key] [for Anders Dahl, 1751–89, Swedish botanist and pupil of Linnaeus], any plant of the genus Dahlia of the family Asteraceae (aster family), tuberous-rooted perennial...

jungle fowl

(Encyclopedia)jungle fowl, common name for small, terrestrial wild fowl comprising four species in the genus Gallus. Most important of these is the red jungle fowl, which Charles Darwin determined to be the ancesto...

jewelweed

(Encyclopedia)jewelweed, common name for the Balsaminaceae, a family of widely distributed annual and perennial herbs. The principal genus is Impatiens, so named because of the sudden bursting of the mature seed ca...

monitor, in zoology

(Encyclopedia)monitor, any of various, mostly tropical lizards. A monitor lizard has a heavy body, long head and neck, long tail that comes to a whiplike end, and strong legs with sharp claws. Its slender, forked t...

waterfowl

(Encyclopedia)waterfowl, common term for members of the order Anseriformes, wild, aquatic, typically freshwater birds including ducks, geese, and screamers. In Great Britain the term is also used to designate speci...

bustard quail

(Encyclopedia)bustard quail or button quail, any of the small ground-running Old World birds of the family Turnicidae. Also called a hemipode, it resembles a true quail in appearance and way of life but is more clo...

Browse by Subject