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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...

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...

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...

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 ...

golf

(Encyclopedia)golf, game of hitting a small hard ball with specially made clubs over an outdoor course sometimes (particularly if it is near the coast) called a links. The object is to deposit the ball in a specifi...

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...

tide

(Encyclopedia)tide, alternate and regular rise and fall of sea level in oceans and other large bodies of water. These changes are caused by the gravitational attraction of the moon and, to a lesser extent, of the s...