concentric


concentric
concentric [kən sen′trik]
adj.
[ME concentrik < OFr concentrique < ML concentricus < L com-, together + -centricus,-CENTRIC]
having a center in common [concentric circles]: also concentrical
concentrically
adv.
concentricity [kän΄sen tris′ə tē]
n.

English World dictionary. . 2014.