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Malachy, Saint

(Encyclopedia) Malachy, SaintMalachy, Saintmălˈəkē [key], 1095–1148, Irish churchman, reformer of the church in Ireland. His Irish name was Máel Máedoc ua Morgair. He was assistant to Cellach (Celsus…

innate ideas

(Encyclopedia) innate ideas, in philosophy, concepts present in the mind at birth as opposed to concepts arrived at through experience. The theory has been advanced at various times in the history of…

archetype

(Encyclopedia) archetypearchetypeärˈkĭtīpˌ [key] [Gr. arch=first, typos=mold], term whose earlier meaning, “original model,” or “prototype,” has been enlarged by C. G. Jung and by several…

La Tour, Georges de

(Encyclopedia) La Tour, Georges deLa Tour, Georges dezhôrzh də lä t&oomacr;r [key], 1593–1652, French painter. By 1618 he was settled at Lunéville, in his native Lorraine. He bore the title of…

arc, in electricity

(Encyclopedia) arc, in electricity, highly luminous and intensely hot discharge of electricity between two electrodes. The arc was discovered early in the 19th cent. by the English scientist Sir…

logarithm

(Encyclopedia) logarithmlogarithmlŏgˈərĭᵺəm [key] [Gr.,=relation number], number associated with a positive number, being the power to which a third number, called the base, must be raised in order…

demesne

(Encyclopedia) demesnedemesnedĭmānˈ [key], land under feudalism kept by the lord for his own use and occupation as distinguished from that granted to tenants. Initially the demesne lands were worked…

De Vinne, Theodore Low

(Encyclopedia) De Vinne, Theodore LowDe Vinne, Theodore Lowdə vĭnˈē [key], 1828–1914, American printer, b. Stamford, Conn. He learned his trade in the office of the Newburgh (N.Y.) Gazette and in…

electrode

(Encyclopedia) electrode, terminal through which electric current passes between metallic and nonmetallic parts of an electric circuit. In most familiar circuits current is carried by metallic…

Rolland, Romain

(Encyclopedia) Rolland, RomainRolland, RomainrômăNˈ rôläNˈ [key], 1866–1944, French novelist, biographer, playwright, and musicologist. After studying in Paris he spent two crucial years in Rome,…