Columbia Encyclopedia

Search results

500 results found

amphibole

(Encyclopedia)amphibole ămˈfəbōlˌ [key], any of a group of widely distributed rock-forming minerals, magnesium-iron silicates, often with traces of calcium, aluminum, sodium, titanium, and other elements. The ...

ageratum

(Encyclopedia)ageratum ăjˌərāˈtəm, əjĕrˈə– [key] [Gr.,=unaging], any plant of the genus Ageratum, tropical American annuals of the family Asteraceae (aster family). The commonly cultivated species is th...

vireo

(Encyclopedia)vireo, small, migratory songbird of the New World. Some species nest in the United States, but the majority are tropical. Vireos (also called greenlets) range from 4 to 6 1/2 in. (10.2–16.5 cm) in l...

Capri

(Encyclopedia)Capri käˈprē [key], Lat. Capreae, island (1987 est. pop. 7,750), 4 sq mi (10.4 sq km), Campania, S Italy, in the Bay of Naples off the tip of the Sorrento Peninsula. It is an international tourist ...

Wentworth, William Charles

(Encyclopedia)Wentworth, William Charles, 1793?–1872, Australian statesman. His exploration (1813) of the Blue Mts. in Australia revealed vast pasturelands in the western part of the continent. In 1816 he went to...

Sabbatarians

(Encyclopedia)Sabbatarians, persons who insist upon strict observance of Sunday as the Sabbath. Societies promoting Sabbatarian objectives include the Lord's Day Alliance of the United States and the Lord's Day Obs...

soft-coated wheaten terrier

(Encyclopedia)soft-coated wheaten terrier, breed of medium-sized dog developed and perfected in Ireland. It stands from 17 to 19 in. (43.1–48.3 cm) high at the shoulder and weighs from 30 to 45 lb (13.6–20.4 kg...

blackthorn

(Encyclopedia)blackthorn or sloe, low, spreading, thorny bush or small tree (Prunus spinosa) of the plum genus of the family Rosaceae (rose family), having black bark, white flowers, and deep blue fruits, usually r...

pickerelweed

(Encyclopedia)pickerelweed, common name for the Pontederiaceae, a family of chiefly tropical perennial aquatic herbs found in freshwater. The pickerelweeds (genus Pontederia) range north into temperate regions, inc...

silky terrier

(Encyclopedia)silky terrier, breed of agile, spirited toy dog originated in Australia in the early 20th cent. It stands about 10 in. (25 cm) high at the shoulder and weighs from 8 to 10 lb (3.6.–4.5 kg). Its silk...