Columbia Encyclopedia

Search results

500 results found

sandstone

(Encyclopedia)sandstone, sedimentary rock formed by the cementing together of grains of sand. The usual cementing material in sandstone is calcium carbonate, iron oxides, or silica, and the hardness of sandstone va...

Old Red Sandstone

(Encyclopedia)Old Red Sandstone, series of red and brown sandstones, conglomerates, and shales deposited in Wales and Scotland and in England near the Welsh and Scottish borders in the Devonian period of geologic t...

Vaughan, Sarah

(Encyclopedia)Vaughan, Sarah (Sarah Lois Vaughan), 1924–90, American jazz singer, b. Newark, N.J. Nicknamed “Sassie” and “the divine one,” she studied piano and organ, began singing in her church choir, a...

wolverine

(Encyclopedia)wolverine or glutton, largest member of the weasel family, Gulo gulo, found in the northern parts of North America and Eurasia, usually in high mountains near the timberline or in tundra. It is a heav...

bongo

(Encyclopedia)bongo bŏngˈgō [key], spiral-horned antelope, Tragelaphus eurycerus, found in jungles and thick bamboo forests of equatorial Africa. Shy, elusive animals, bongos never emerge into the open and are s...

cankerworm

(Encyclopedia)cankerworm, name for two destructive inchworms, or larvae of geometrid moths. The spring cankerworm (Paleacrita vernata) and the fall cankerworm (Alsophila pometaria) are named for the seasons at whic...

balloon

(Encyclopedia)balloon, lighter-than-air craft without a propulsion system, lifted by inflation of one or more containers with a gas lighter than air or with heated air. During flight, altitude may be gained by disc...

John, three epistles of the New Testament

(Encyclopedia)John, three letters of the New Testament. Traditionally, they are ascribed to John son of Zebedee, the disciple of Jesus. All three letters probably date to the end of the 1st cent. a.d., and may have...

Kenyatta, Jomo

(Encyclopedia)Kenyatta, Jomo jōˈmō kĕnyäˈtə [key], 1893?–1978, African political leader, first president of Kenya (1964–78). A Kikuyu, he was one of the earliest and best-known African nationalist leader...

Hopkins, Stephen

(Encyclopedia)Hopkins, Stephen, 1707–85, colonial governor of Rhode Island and political leader in the American Revolution, b. Providence, R.I. A member of the colonial assembly for many years, he also served as ...