Columbia Encyclopedia

Search results

500 results found

head-hunting

(Encyclopedia)head-hunting, practice of taking and preserving the head of a slain enemy. It has occurred throughout the world from ancient times into the 20th cent. In Europe, it flourished in the Balkans until the...

Averroës

(Encyclopedia)Averroës əvĕrˈōēz [key], Arabic Ibn Rushd, 1126–98, Spanish-Arab philosopher. He was far more important and influential in Jewish and Christian thought than in Islam. He was a lawyer and physi...

Bergson, Henri

(Encyclopedia)Bergson, Henri äNrēˈ bĕrgsôNˈ [key], 1859–1941, French philosopher. He became a professor at the Collège de France in 1900, devoted some time to politics, and, after World War I, took an inte...

cerebellum

(Encyclopedia)cerebellum sĕrˌəbĕlˈəm [key], portion of the brain that coordinates movements of voluntary (skeletal) muscles. It contains about half of the brain's neurons, but these particular nerve cells are...

fossil

(Encyclopedia)fossil, remains or imprints of plants or animals preserved from prehistoric times by the operation of natural conditions. Fossils are found in sedimentary rock, asphalt deposits, and coal and sometime...

inorganic chemistry

(Encyclopedia)inorganic chemistry, the study of all the elements and their compounds with the exception of carbon and its compounds, which fall under the category of organic chemistry. Inorganic chemistry investiga...

loam

(Encyclopedia)loam, soil composed of sand, silt, clay, and organic matter in evenly mixed particles of various sizes. More fertile than sandy soils, loam is not stiff and tenacious like clay soils. Its porosity all...

Wilson, Kenneth Geddes

(Encyclopedia)Wilson, Kenneth Geddes, 1936–2013, American physicist, b. Waltham, Mass., Ph.D. California Institute of Technology, 1961. A professor at Cornell (1963–88) and Ohio State Univ. (1988–2008), Wilso...

Agostini, Pierre

(Encyclopedia)Pierre Agostini,1941– , b. Tunis, Tunisia, French physicist, studied at Prytanée Militaire La Flèche (B.A.) and Université Aix-Marseille (Ph.D., 1968). He is an emeritus professor at ...

Pontano, Giovanni

(Encyclopedia)Pontano, Giovanni jōvänˈnē pōntäˈnō [key], 1426–1503, Italian poet, historian, and statesman, who used also the Latin form Jovianus Pontanus. He was protected by Alfonso of Aragón, who made...

Browse by Subject