heresiologist: Meaning and Definition of

he•re•si•ol•o•gist

Pronunciation: (hu-rē"zē-ol'u-jist, -sē-, her"u-sē-), [key]
— n.
  1. a person who studies or writes about heresies.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.