/ Dictionary / Index H holoblastic: Meaning and Definition of Find definitions for: hol•o•blas•tic Pronunciation: (hol"u-blas'tik, hō"lu-), [key] — adj. Embryol. (of certain eggs) undergoing total cleavage, resulting in equal blastomeres. Cf. meroblastic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. holo- Holocaine Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language