/ Dictionary / Index A agranulocytosis: Meaning and Definition of Find definitions for: a•gran•u•lo•cy•to•sis Pronunciation: (u-gran"yu-lō-sī-tō'sis), [key] — n. Pathol. a serious, acute blood disease, sometimes related to drug or radiation therapy, characterized by extreme leukopenia, fever, and ulcerations of the mucous membranes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: agranulocytosis (Thesaurus) à grands frais* agrapha Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language