Columbia Encyclopedia

Search results

500 results found

shrew

(Encyclopedia)shrew, common name for the small, insectivorous mammals of the family Soricidae, related to the moles. Shrews include the smallest mammals; the smallest shrews are under 2 in. (5.1 cm) long, excluding...

Ranke, Leopold von

(Encyclopedia)Ranke, Leopold von lāˈōpôlt fən rängˈkə [key], 1795–1886, German historian, generally recognized as the father of the modern objective historical school. He applied and elaborated Barthold N...

Neptune, in astronomy

(Encyclopedia)Neptune, in astronomy, 8th planet from the sun at a mean distance of about 2.8 billion mi (4.5 billion km) with an orbit lying between those of Uranus and the dwarf planet Pluto; its period of revolut...

More, Sir Thomas

(Encyclopedia)More, Sir Thomas (Saint Thomas More), 1478–1535, English statesman and author of Utopia, celebrated as a martyr in the Roman Catholic Church. He received a Latin education in the household of Cardin...

Williams, Tennessee

(Encyclopedia)Williams, Tennessee (Thomas Lanier Williams), 1911–83, American dramatist, b. Columbus, Miss., grad. State Univ. of Iowa, 1938. One of America's foremost 20th-century playwrights and the author of m...

topology

(Encyclopedia)CE5 Möbius strip: On the ordinary flat loop (A), an ant walking along the middle of the strip will pass only around the outside of the strip. If the strip is cut along the dotted line, twisted onc...

Maxwell, William Keepers, Jr.

(Encyclopedia)Maxwell, William Keepers, Jr., 1908–2000, American novelist, short-story writer, and editor, b. Lincoln, Ill. Educated at the Univ. of Illinois and Harvard, he began his career as a teacher, but soo...

Grignard reagent

(Encyclopedia)Grignard reagent grēnyärdˈ rēāˈjənt [key], any of an important class of extremely reactive chemical compounds used in the synthesis of hydrocarbons, alcohols, carboxylic acids, and other compou...

flextime

(Encyclopedia)flextime, system of assigning hours for work that permits employees to choose, within specified limits, the hours that they will be at their place of employment. In many companies, there is a “core ...

antifreeze

(Encyclopedia)antifreeze, substance added to a solvent to lower its freezing point. The solution formed is called an antifreeze mixture. Antifreeze is typically added to water in the cooling system of an internal-c...