/ Dictionary / Index I isochromatic: Meaning and Definition of Find definitions for: i•so•chro•mat•ic Pronunciation: (ī"su-krō-mat'ik, ī"sō-kru-), [key] — adj. having the same color or tint. orthochromatic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isochor isochronal 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