Columbia Encyclopedia

Search results

193 results found

voice, sound produced by living beings

(Encyclopedia)voice, sound produced by living beings. The source of the sound in human speaking and singing is the vibration of the vocal cords, which are inside the larynx, and the production of the sounds is call...

caliphate

(Encyclopedia)caliphate kălˈĭfˌ [key], the spiritual head and temporal ruler of the Islamic state. In principle, Islam is theocratic: when Muhammad died, a caliph [Arab.,=successor] was chosen to rule in his pl...

Abelard, Peter

(Encyclopedia)Abelard, Peter pyĕr äbālärˈ [key], 1079–1142, French philosopher and teacher, b. Le Pallet, near Nantes. A theological Platonist, Abelard emphasized Aristotle's dialectic method. His belief t...

scale, in music

(Encyclopedia)scale, in music, any series of tones arranged in a step-by-step rising or falling order of pitch. A scale defines the interval relationship of each tone to the others upon which the composition depend...

commune, in medieval history

(Encyclopedia)commune kômˈyo͞on [key], in medieval history, collective institution that developed in continental Europe after the fall of the Roman Empire. Because of the importance of the commune in municipal g...

Veda

(Encyclopedia)Veda vāˈdə, vēˈdə [key] [Sanskrit,=knowledge, cognate with English wit, from a root meaning know], oldest scriptures of Hinduism and the most ancient religious texts in an Indo-European language...

Descartes, René

(Encyclopedia)Descartes, René rənāˈ dākärtˈ [key], Lat. Renatus Cartesius, 1596–1650, French philosopher, mathematician, and scientist, b. La Haye. Descartes' methodology was a major influence in the trans...

Oxford movement

(Encyclopedia)Oxford movement, religious movement begun in 1833 by Anglican clergymen at the Univ. of Oxford to renew the Church of England (see England, Church of) by reviving certain Roman Catholic doctrines and ...

mountain climbing

(Encyclopedia)mountain climbing, the practice of climbing to elevated points for sport, pleasure, or research. Also called mountaineering, it is practiced throughout the world. Many mountain climbing clubs have...

plastic

(Encyclopedia)plastic, any organic material with the ability to flow into a desired shape when heat and pressure are applied to it and to retain the shape when they are withdrawn. The first important plastic, cel...
 

Browse by Subject