/ Dictionary / Index I isomeric: Meaning and Definition of Find definitions for: i•so•mer•ic Pronunciation: (ī"su-mer'ik), [key] — adj. of, pertaining to, or displaying isomerism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: isomeric (Thesaurus) isomerase isomerism Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language