/ Dictionary / Index I isosmotic: Meaning and Definition of Find definitions for: i•sos•mot•ic Pronunciation: (ī"soz-mot'ik, -sos-), [key] — adj. Physical Chem. isotonic (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: isosmotic (Thesaurus) isoseismic isosorbide dinitrate Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language