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tuning systems

(Encyclopedia) tuning systems, methods for assigning pitches to the twelve Western pitch names that constitute the octave. The term usually refers to this procedure in the tuning of keyboard…

Spectator

(Encyclopedia) Spectator, English daily periodical published jointly by Joseph Addison and Richard Steele with occasional contributions from other writers. It succeeded the Tatler, a periodical begun…

environmental impact statement

(Encyclopedia) environmental impact statement, analysis of the impact that a proposed development, usually industrial, will have on the natural and social environment. It includes assessment of long…

evil

(Encyclopedia) evil, antithesis of good. The philosophical problem of evil is most simply stated in the question, why does evil exist in the world? Death, disease, and sin are often included in the…

Corneille, Pierre

(Encyclopedia) Corneille, PierreCorneille, Pierrepyĕr kôrnāˈyə [key], 1606–84, French dramatist, ranking with Racine as a master of French classical tragedy. Educated by Jesuits, he practiced law…

calcium hydroxide

(Encyclopedia) calcium hydroxide, Ca(OH)2, colorless crystal or white powder. It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime…

Cameron of Lochiel, Sir Ewen

(Encyclopedia) Cameron of Lochiel, Sir Ewen or EvanCameron of Lochiel, Sir Ewen or Evankămˈərən, lŏkh-ēlˈ [key], 1629–1719, chief of the Scottish highland clan of Cameron after 1647. On behalf of…

Butler, Joseph

(Encyclopedia) Butler, Joseph, 1692–1752, English bishop and exponent of natural theology. Butler held a series of church offices, ending his career as bishop of Durham. His principle writings are…

Taurus, in astronomy

(Encyclopedia) Taurus [Lat.,= the bull], in astronomy, constellation NW of Orion and lying on the ecliptic (the sun's apparent path through the heavens) between Gemini and Aries; it is one of the…

Blitzstein, Marc

(Encyclopedia) Blitzstein, Marc (Marcus Samuel Blitzstein), 1905–64, American composer, pianist, and librettist, b. Philadelphia. After attending the Univ. of Pennsylvania and the Curtis Institute of…