con·cen·tric (kən-sěn'trĭk) adj. Having a common center.
[Middle English concentrik, from Medieval Latin concentricus : Latin com-, com- + Latin centrum, center; see center.] con·cen'tri·cal·ly adv., con'cen·tric'i·ty (kŏn'sěn-trĭs'ĭ-tē) n.
Main Entry: con·cen·tric Pronunciation: k&n-'sen-trik, (')kän- Function: adjective : having a common center <concentriccircles> —con·cen·tri·cal·ly/-tri-k(&-)lE/adverb