Xeronic

Xe`ron´ic


a.1.(Chem.) Pertaining to, or designating, an acid, C8H12O4, related to fumaric acid, and obtained from citraconic acid as an oily substance having a bittersweet taste; - so called from its tendency to form its anhydride.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.