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| Eccentric sheave | Eccentric \Ec*cen"tric\ ([e^]k*s[e^]n"tr[i^]k), a. [F. excentrique, formerly also spelled eccentrique, fr. LL. eccentros out of the center, eccentric, Gr. 'e`kkentros; 'ek out of + ke`ntron center. See {Ex-}, and {Center}, and cf. {Excentral}.] 1. Deviating or departing from the center, or from the line of a circle; as, an eccentric or elliptical orbit; pertaining to deviation from the center or from true circular motion. [1913 Webster] 2. Not having the same center; -- said of circles, ellipses, spheres, etc., which, though coinciding, either in whole or in part, as to area or volume, have not the same center; -- opposed to {concentric}. [1913 Webster] 3. (Mach.) Pertaining to an eccentric; as, the eccentric rod in a steam engine. [1913 Webster] 4. Not coincident as to motive or end. [1913 Webster] His own ends, which must needs be often eccentric to those of his master. --Bacon. [1913 Webster] 5. Deviating from stated methods, usual practice, or established forms or laws; deviating from an appointed sphere or way; departing from the usual course; irregular; anomalous; odd; as, eccentric conduct. ``This brave and eccentric young man.'' --Macaulay. [1913 Webster] He shines eccentric, like a comet's blaze. --Savage. [1913 Webster] {Eccentric anomaly}. (Astron.) See {Anomaly}. {Eccentric chuck} (Mach.), a lathe chuck so constructed that the work held by it may be altered as to its center of motion, so as to produce combinations of eccentric combinations of eccentric circles. {Eccentric gear}. (Mach.) (a) The whole apparatus, strap, and other parts, by which the motion of an eccentric is transmitted, as in the steam engine. (b) A cogwheel set to turn about an eccentric axis used to give variable rotation. {Eccentric hook} or {Eccentric gab}, a hook-shaped journal box on the end of an eccentric rod, opposite the strap. {Eccentric rod}, the rod that connects an eccentric strap with any part to be acted upon by the eccentric. {Eccentric sheave}, or {Eccentric pulley}, an eccentric. {Eccentric strap}, the ring, operating as a journal box, that encircles and receives motion from an eccentric; -- called also {eccentric hoop}. Syn: Irregular; anomalous; singular; odd; peculiar; erratic; idiosyncratic; strange; whimsical. [1913 Webster] |
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