/ Dictionary / Index C concentric: Meaning and Definition of Find definitions for: con•cen•tric Pronunciation: (kun-sen'trik), [key] — adj. having a common center, as circles or spheres. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: concentric (Thesaurus) concentre Concepción Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language