/ Dictionary / Index I isocyclic: Meaning and Definition of Find definitions for: i•so•cy•clic Pronunciation: (ī"su-sī'klik, -sik'lik), [key] — adj. Chem. homocyclic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: isocyclic (Thesaurus) isocyano group isodef Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language