vanadic
  釩的
  Va·nad·ic a. Chem. Pertaining to, or obtained from, vanadium; containing vanadium; specifically, designating those compounds in which vanadium has a relatively higher valence as contrasted with the vanadous 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.
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