\Va*nad"ic\, a. (Chem.)
Pertaining to, or obtained from, vanadium; containing
vanadium; specifically distinguished those compounds in which
vanadium has a relatively higher valence as contrasted with
the {vanadious} compounds; as, vanadic oxide.
{Vanadic acid} (Chem.), an acid analogous to phosphoric acid,
   not known in the free state but forming a well-known
   series of salts.