[ ik-sen-trik, ek- ]
/ ɪkˈsɛn trɪk, ɛk- /
deviating from the recognized or customary character, practice, etc.; irregular; erratic; peculiar; odd: eccentric conduct; an eccentric person.
Geometry. not having the same center; not concentric: used especially of two circles or spheres at least one of which contains the centers of both.
(of an axis, axle, etc.) not situated in the center.
Machinery. having the axis or support away from the center: an eccentric wheel.
Astronomy. deviating from a circular form, as an elliptic orbit.
a person who has an unusual, peculiar, or odd personality, set of beliefs, or behavior pattern.
something that is unusual, peculiar, or odd.
Machinery. a device for converting circular motion into rectilinear motion, consisting of a disk fixed somewhat off-center to a revolving shaft, and working freely in a surrounding collar (eccentric strap), to which a rod (eccentric rod) is attached.
Words nearby eccentric
Also especially British, ex·cen·tric.
Origin of eccentric
OTHER WORDS FROM eccentric
ec·cen·tri·cal, adjectiveec·cen·tri·cal·ly, adverbnon·ec·cen·tric, adjectivenon·ec·cen·tri·cal·ly, adverb
un·ec·cen·tric, adjectiveun·ec·cen·tri·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for eccentrical
/ (ɪkˈsɛntrɪk) /
deviating or departing from convention, esp in a bizarre manner; irregular or odd
situated away from the centre or the axis
not having a common centreeccentric circles Compare concentric
not precisely circular
a person who deviates from normal forms of behaviour, esp in a bizarre manner
a device for converting rotary motion to reciprocating motion
Derived forms of eccentriceccentrically, adverb
Word Origin for eccentric
C16: from Medieval Latin eccentricus, from Greek ekkentros out of centre, from ek- ex- 1 + kentron centre
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for eccentrical
[ ĭk-sĕn′trĭk, ĕk- ]
Departing from a recognized, conventional, or established norm or pattern.
Situated or proceeding away from the center.
A person of odd or unconventional behavior.
Other words from eccentricec′cen•tric′i•ty (ĕk′sĕn-trĭs′ĭ-tē) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.