/ Dictionary / Index I isolecithal: Meaning and Definition of Find definitions for: i•so•lec•i•thal Pronunciation: (ī"su-les'u-thul), [key] — adj. Embryol. homolecithal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Isolde Isolette Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language