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4 definitions found
 for eccentric
From The Collaborative International Dictionary of English v.0.48 :

  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.
     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]

From The Collaborative International Dictionary of English v.0.48 :

  Eccentric \Ec*cen"tric\ ([e^]k*s[e^]n"tr[i^]k), n.
     1. A circle not having the same center as another contained
        in some measure within the first.
        [1913 Webster]
     2. One who, or that which, deviates from regularity; an
        anomalous or irregular person or thing.
        [1913 Webster]
     3. (Astron.)
        (a) In the Ptolemaic system, the supposed circular orbit
            of a planet about the earth, but with the earth not in
            its center.
        (b) A circle described about the center of an elliptical
            orbit, with half the major axis for radius. --Hutton.
            [1913 Webster]
     4. (Mach.) A disk or wheel so arranged upon a shaft that the
        center of the wheel and that of the shaft do not coincide.
        It is used for operating valves in steam engines, and for
        other purposes. The motion derived is precisely that of a
        crank having the same throw.
        [1913 Webster]
     Back eccentric, the eccentric that reverses or backs the
        valve gear and the engine.
     Fore eccentric, the eccentric that imparts a forward motion
        to the valve gear and the engine.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

      adj 1: conspicuously or grossly unconventional or unusual;
             "restaurants of bizarre design--one like a hat, another
             like a rabbit"; "famed for his eccentric spelling"; "a
             freakish combination of styles"; "his off-the-wall
             antics"; "the outlandish clothes of teenagers"; "outre
             and affected stage antics" [syn: bizarre, eccentric,
             freakish, freaky, flaky, flakey, gonzo, off-
             the-wall, outlandish, outre]
      2: not having a common center; not concentric; "eccentric
         circles" [syn: eccentric, nonconcentric] [ant:
         concentric, concentrical, homocentric]
      n 1: a person with an unusual or odd personality [syn:
           eccentric, eccentric person, flake, oddball,
      2: a person of a specified kind (usually with many
         eccentricities); "a real character"; "a strange character";
         "a friendly eccentric"; "the capable type"; "a mental case"
         [syn: character, eccentric, type, case]

From Moby Thesaurus II by Grady Ward, 1.0 :

  228 Moby Thesaurus words for "eccentric":
     aberrant, abnormal, absurd, adrift, afloat, alien, alternating,
     amorphous, amusing, anomalistic, anomalous, beezer, bizarre,
     bohemian, broken, capricious, careening, case, catchy, caution,
     changeable, changeful, character, choppy, coot, crackpot, crank,
     crankish, cranky, crotchety, curious, desultory, deviable, deviant,
     deviative, different, dippy, disconnected, discontinuous,
     dissenter, divergent, dizzy, dotty, droll, duck, erratic,
     exceptionable, exceptional, fanatic, fantastic, fast and loose,
     fey, fickle, fitful, flake, flaky, flickering, flighty, flitting,
     fluctuating, formless, freak, freaked out, freakish, freaky, funny,
     giddy, grotesque, guttering, halting, heretic, herky-jerky, hermit,
     heteroclite, heteromorphic, hilarious, hobo, humorous, idiocratic,
     idiosyncratic, immethodical, impetuous, impulsive, incongruous,
     inconsistent, inconstant, indecisive, infirm, intermittent,
     intermitting, irregular, irresolute, irresponsible, jerky, kinky,
     kook, kooky, laughable, lone wolf, loner, ludicrous, lurching,
     maggoty, maverick, mazy, mercurial, meshuggenah, moody, natural,
     nonconformist, nonuniform, nut, nutty, odd, odd fellow, oddball,
     oddity, off, off the wall, off-balance, off-center, original, out,
     outlandish, outsider, pariah, passing strange, patchy, peculiar,
     priceless, quaint, queer, queer duck, queer fish, queer specimen,
     quirky, quiz, quizzical, rambling, rara avis, recluse, restless,
     rich, ridiculous, risible, rough, roving, scatterbrained, scrappy,
     screaming, screwball, screwy, shapeless, shifting, shifty,
     shuffling, singular, snatchy, solitary, spasmatic, spasmic,
     spasmodic, spastic, spineless, spook, sporadic, spotty, staggering,
     strange, strange duck, stray, straying, subnormal, tramp, twisted,
     type, unaccountable, unbalanced, uncentered, uncertain,
     unconformist, uncontrolled, unconventional, undependable,
     undisciplined, unearthly, unequal, uneven, unfixed, unmethodical,
     unmetrical, unnatural, unpredictable, unregular, unreliable,
     unrestrained, unrhythmical, unsettled, unstable, unstable as water,
     unstaid, unsteadfast, unsteady, unsystematic, vacillating, vagrant,
     variable, veering, vicissitudinary, vicissitudinous, volatile,
     wacky, wandering, wanton, wavering, wavery, wavy, wayward, weird,
     weirdo, whimsical, wishy-washy, witty, wobbling, wobbly,
     wondrous strange, zealot, zombie

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