- having a common center, as circles or spheres.
Origin of concentric
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for concentrically
The shield in the first two is granulated, in the other concentrically striated.Our British Snails
John William Horsley
It gradually assumes a nearly spherical form; and is then composed of concentrically arranged layers (fig. 280, hl).The Works of Francis Maitland Balfour, Volume III (of 4)
Francis Maitland Balfour
The outer surface of the shell is concentrically grooved; the beaks are smooth.The Sea-beach at Ebb-tide
Augusta Foote Arnold
A strong solution of caustic ammonia produces a concentrically laminated or fissured appearance in them.Parasites
T. Spencer Cobbold
Suppose a threepenny-piece and a half-crown placed alongside of each other, concentrically, with a common pivot.Boating
W. B. Woodgate
- having a common centreconcentric circles Compare eccentric (def. 3)
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 concentrically
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.