/ Dictionary / Index I isochronize: Meaning and Definition of Find definitions for: i•soch•ro•nize Pronunciation: (ī-sok'ru-nīz"), [key] — -nized, -niz•ing. to make isochronal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isochronism isochronous Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language