/ Dictionary / Index I incomplete dominance: Meaning and Definition of Find definitions for: in'complete dom'inance Pronunciation: [key] the appearance in a heterozygote of a trait that is intermediate between either of the trait's homozygous phenotypes. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. incomplete incomplete fracture Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language