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concentric

[kuh n-sen-trik] /kənˈsɛn trɪk/
adjective
1.
having a common center, as circles or spheres.
Also, concentrical.
Origin
1350-1400
1350-1400; Middle English consentrik < Medieval Latin concentricus. See con-, center, -ic
Related forms
concentrically, adverb
concentricity
[kon-suh n-tris-i-tee, -sen-] /ˌkɒn sənˈtrɪs ɪ ti, -sɛn-/ (Show IPA),
noun
nonconcentric, adjective
nonconcentrical, adjective
nonconcentrically, adverb
nonconcentricity, noun
unconcentric, adjective
unconcentrically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for concentrically

concentric

/kənˈsɛntrɪk/
adjective
1.
having a common centre concentric circles Compare eccentric (sense 3)
Derived Forms
concentrically, adverb
concentricity (ˌkɒnsənˈtrɪsɪtɪ) noun
Word Origin
C14: from Medieval Latin concentricus, from Latin com- same + centrumcentre
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
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Word Origin and History for concentrically
concentric
1390s, from O.Fr. concentrique, from M.L. concentricus, from com- "together" + centrum "circle, center" (see center).
Online Etymology Dictionary, © 2010 Douglas Harper
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concentrically in Medicine

concentric con·cen·tric (kən-sěn'trĭk)
adj.
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.
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