/ Dictionary / Index I isomerous: Meaning and Definition of Find definitions for: i•som•er•ous Pronunciation: (ī-som'ur-us), [key] — adj. having an equal number of parts, markings, etc. (of a flower) having the same number of members in each whorl. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isomerize isometric Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language