/ Dictionary / Index M metacentric: Meaning and Definition of Find definitions for: met•a•cen•tric Pronunciation: (met"u-sen'trik), [key] — adj. of or pertaining to a metacenter. of or pertaining to any chromosome or chromatid whose centromere is centrally located, creating two apparently equal chromosome arms. Cf.(def. 2), Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: metacentric (Thesaurus) metacenter metacentric height Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language