Columbia Encyclopedia

Search results

500 results found

electrodynamics

(Encyclopedia)electrodynamics, study of phenomena associated with charged bodies in motion and varying electric and magnetic fields (see charge; electricity); since a moving charge produces a magnetic field, electr...

joint, in anatomy

(Encyclopedia)joint, in anatomy, juncture between two bones. Some joints are immovable, e.g., those that connect the bones of the skull, which are separated merely by short, tough fibers of cartilage. Movable joint...

centrifuge

(Encyclopedia)centrifuge sĕnˈtrəfyo͞oj [key], device using centrifugal force to separate two or more substances of different density, e.g., two liquids or a liquid and a solid. The centrifuge consists of a fixe...

Diderot, Denis

(Encyclopedia)Diderot, Denis dənēˈ dēdərōˈ [key], 1713–84, French encyclopedist, philosopher of materialism, and critic of art and literature, b. Langres. He was also a novelist, satirist, and dramatist. D...

distribution

(Encyclopedia)distribution, in economics, the allocation of a society's total wealth among various economic groups. Distribution, in that sense, does not refer to the physical marketing or circulation of goods, whi...

Baldwin, James

(Encyclopedia)Baldwin, James, 1924–87, American author, b. New York City. He spent an impoverished boyhood in Harlem, became a Pentecostal preacher at 14, and left the church three years later. He moved to Paris ...

Dos Passos, John Roderigo

(Encyclopedia)Dos Passos, John Roderigo, 1896–1970, American novelist, b. Chicago, grad. Harvard, 1916. He subsequently studied in Spain and served as a World War I ambulance driver in France and Italy. In his fi...

John Chrysostom, Saint

(Encyclopedia)John Chrysostom, Saint krĭsˈəstəm, krĭsŏsˈ– [key] [Gr.,=golden-mouth], c.347–407, Doctor of the Church, one of the greatest of the Greek Fathers. He was born in Antioch and studied Greek cl...

Tacitus, Roman historian

(Encyclopedia)Tacitus (Cornelius Tacitus), c.a.d. 55–c.a.d. 117, Roman historian. Little is known for certain of his life. He was a friend of Pliny the Younger and married the daughter of Agricola. In a.d. 97 he ...

Pepys, Samuel

(Encyclopedia)Pepys, Samuel pēps [key], 1633–1703, English public official, and celebrated diarist, b. London, grad. Magdalene College, Cambridge, 1653. In 1656 he entered the service of a relative, Sir Edward M...