/ Dictionary / Index H heresiology: Meaning and Definition of Find definitions for: he•re•si•ol•o•gy Pronunciation: (hu-rē"zē-ol'u-jē, -sē-, her"u-sē-), [key] — pl. -gies the study of heresies. a heresiography. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heresiologist heresy Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language