/ Dictionary / Index I isopedin: Meaning and Definition of Find definitions for: i•sop•e•din Pronunciation: (ī-sop'i-din, ī"su-pēd'n), [key] — n. Ichthyol. the underlying layer of a ganoid scale, composed of connective tissue embedded with bone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isopectic isopentyl Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language