[kuh n-sen-trik]


having a common center, as circles or spheres.

Also con·cen·tri·cal.

Origin of concentric

1350–1400; Middle English consentrik < Medieval Latin concentricus. See con-, center, -ic
Related formscon·cen·tri·cal·ly, adverbcon·cen·tric·i·ty [kon-suh n-tris-i-tee, -sen-] /ˌkɒn sənˈtrɪs ɪ ti, -sɛn-/, nounnon·con·cen·tric, adjectivenon·con·cen·tri·cal, adjectivenon·con·cen·tri·cal·ly, adverbnon·con·cen·tric·i·ty, nounun·con·cen·tric, adjectiveun·con·cen·tri·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for concentric

parallel, coextensive, coaxial, aligned, centered

Examples from the Web for concentric

Contemporary Examples of concentric

Historical Examples of concentric

  • If there is any truth in the concentric ring theory, this is easily proved.

    Aztec Land

    Maturin M. Ballou

  • One of the casts showed a round stone with concentric circles.

  • The place was built in concentric circles, level above level.

    The Cosmic Computer

    Henry Beam Piper

  • They are made in sets of arcs of concentric circles (see fig. 80, A).

  • More than 25,000 men and thieves gathered in concentric circles about the stand.


    George Borrow

British Dictionary definitions for concentric



having a common centreconcentric circles Compare eccentric (def. 3)
Derived Formsconcentrically, adverbconcentricity (ˌkɒnsənˈtrɪsɪtɪ), noun

Word Origin for concentric

C14: from Medieval Latin concentricus, from Latin com- same + centrum 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

Word Origin and History for concentric

c.1400, from Middle French concentrique, from Medieval Latin concentricus, from com- "together" (see com-) + centrum "circle, center" (see center (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper

concentric in Medicine




Having a common center or center point, as of circles.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.