Meaning of CONCENTRIC in English

CONCENTRIC

/ kənˈsentrɪk; NAmE / adjective

( geometry ) ( of circles ) having the same centre :

concentric rings

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WORD ORIGIN

late Middle English : from Old French concentrique or medieval Latin concentricus , from con- together + centrum centre.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.