Columbia Encyclopedia

Search results

500 results found

Wheeler, John Archibald

(Encyclopedia)Wheeler, John Archibald, 1911–2008, American physicist and educator, b. Jacksonville, Fla. Educated at Johns Hopkins (Ph.D., 1933), he joined the faculty at Princeton in 1938, and after 1976 was dir...

Waters, Ethel

(Encyclopedia)Waters, Ethel, 1896?–1977, African-American singer and actress, b. Chester, Pa. As a singer, she is noted for her sultry, sophisticated, and dramatic version of the blues, evinced in her interpretat...

ladybird beetle

(Encyclopedia)ladybird beetle or ladybug, member of a cosmopolitan beetle family with over 4,000 species, including 350 species in the United States. Ladybird beetles are mostly under 1⁄4 in. (6 mm) long and are ...

Baker, Ella Josephine

(Encyclopedia)Baker, Ella Josephine, 1903–1986, U.S. civil rights activist, b. Norfolk, Va. Ella Baker was an activist and organizer whose b...

right whale

(Encyclopedia)right whale, name for whales of the family Balaenidae. They were so named by whalers, who for centuries considered them “the right whales” to hunt, because they float when killed and because they ...

panda

(Encyclopedia)panda, name for two unrelated nocturnal Asian mammals of the order Carnivora, red pandas, genus Ailurus, and the giant panda, Ailuropoda melanoleuca. Red pandas, also known as lesser pandas and cat be...

vulture

(Encyclopedia)vulture, common name for large birds of prey of temperate and tropical regions. The Old World vultures (family Accipitridae) are allied to hawks and eagles; the more ancient American vultures and cond...

blackbody

(Encyclopedia)blackbody, in physics, an ideal black substance that absorbs all and reflects none of the radiant energy falling on it. Lampblack, or powdered carbon, which reflects less than 2% of the radiation fall...

Lead, city, United States

(Encyclopedia)Lead lēd [key], city (1990 pop. 3,632), Lawrence co., W S.Dak., in the Black Hills; laid out 1876 after the discovery of gold there, inc. 1890. It is the site of the famous Homestake Mine, which was ...

Damascus ware

(Encyclopedia)Damascus ware, early siliceous-glazed semiporcelain produced in Damascus. The most common decoration is in blue and black. However, purple, sage green, and, rarely, a red can be found. Made mainly in ...