/ Dictionary / Index H heterolecithal: Meaning and Definition of Find definitions for: het•er•o•lec•i•thal Pronunciation: (het"ur-u-les'u-thul), [key] — adj. Embryol. having an unequal distribution of yolk, as certain eggs or ova. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heterokaryosis heterologous Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language