Columbia Encyclopedia
Search results
441 results found
opal
(Encyclopedia)opal ōˈpəl [key], a mineral consisting of poorly crystalline to amorphous silica, SiO2·nH2O; the water content is quite variable but usually ranges from 3% to 10%. Common opal is usually colorless...slate
(Encyclopedia)slate, fine-grained rock formed when sedimentary rocks such as shale are metamorphosed by great pressure. Slate splits into perfectly cleaved, broad thin layers; this characteristically regular and pl...Siberian husky
(Encyclopedia)Siberian husky, breed of medium-sized, muscular working dog whose origins date back thousands of years in Siberia. It stands from 20 to 231⁄2 in. (50.8–59.7 cm) high at the shoulder and weighs fro...basking shark
(Encyclopedia)basking shark, large, plankton-feeding shark, Cetorhinus maximus, inhabiting many oceans of the world, especially in temperate regions. Found singly or in schools of up to 100, it spends much of its t...Snyder, Gary
(Encyclopedia)Snyder, Gary, 1930–, American poet, b. San Francisco. Associated with the beat generation of the 1950s, he lived (1956–68) in Japan, where he trained as a Zen monk. His poetry, influenced by Zen B...kangaroo
(Encyclopedia)kangaroo, name for a variety of hopping marsupials, or pouched mammals, of the family Macropodidae, found in Australia, Tasmania, and New Guinea. The term is applied especially to the large kangaroos ...crossbill
(Encyclopedia)crossbill, bird of the genus Loxia, in the finch family. Its bill, crossed at the tips, is specialized for pulling apart pine cones and picking out the seeds. Crossbills are found in the evergreen for...Gascoigne, George
(Encyclopedia)Gascoigne, George găskoinˈ [key], c.1539–1577, English author, a pioneer in various fields of English literature. A reckless, dissipated youth, he left Cambridge without a degree to study law, but...giant pouched rat
(Encyclopedia)giant pouched rat, terrestrial African rodent of the genus Cricetomys. Found in a wide variety of habitats, including farmland, in sub-Saharan Africa north of South Africa, giant pouched rats resemble...harp seal
(Encyclopedia)harp seal, crested earless, or true, seal, Phoca groenlandica, found in the N Atlantic around Greenland and the White Sea. In the spring, harp seals migrate southward to assemble in large groups to br...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
