• (a.) Pertaining to, or derived from, xanthoprotein; showing the characters of xanthoprotein; as, xanthoproteic acid; the xanthoproteic reaction for albumin. Found on http://thinkexist.com/dictionary/meaning/xanthoproteic/
Xan`tho·pro·te'ic adjective (Physiol. Chem.) Pertaining to, or derived from, xanthoprotein; showing the characters of xanthoprotein; as, xanthoproteic acid; the xanthoproteic reaction for albumin. Found on http://www.encyclo.co.uk/webster/X/1