/ Dictionary / Index G genetic load: Meaning and Definition of Find definitions for: genet'ic load' Pronunciation: [key] the extent to which a population deviates from the theoretically fittest genetic constitution. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. geneticist genetic map Related Content Daily Word Quiz: prevalent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language