The Collaborative International Dictionary
Xanthoproteic
Xanthoproteic \Xan`tho*pro*te"ic\, a. (Physiol. Chem.) Pertaining to, or derived from, xanthoprotein; showing the characters of xanthoprotein; as, xanthoproteic acid; the xanthoproteic reaction for albumin.
Wiktionary
xanthoproteic
a. Of or pertaining to xanthoproteic acid or xanthoproteins.