/ Dictionary / Index G granuloblast: Meaning and Definition of Find definitions for: gran•u•lo•blast Pronunciation: (gran'yu-lō-blast"), [key] — n. Cell Biol. an immature granulocyte. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. granulite granulocyte Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language