Main Entry: con·cen·tric

Pronunciation: \kən-ˈsen-trik, ˌkän-\

Function: adjective

Etymology: Middle English consentrik, from Medieval Latin concentricus, from Latin com- + centrum center

Date: 14th century

1 : having a common center <concentric circles>
2 : having a common axis : coaxial

— con·cen·tri·cal·ly \-tri-k(ə-)lē\ adverb

— con·cen·tric·i·ty \ˌkän-ˌsen-ˈtri-sə-tē\ noun