'Vanadious' definitions:
Definition of 'Vanadious'
From: GCIDE
Definition of 'vanadious'
From: GCIDE
- Vanadous \Van"a*dous\, a. (Chem.) Of or pertaining to vanadium; obtained from vanadium; -- said of an acid containing one equivalent of vanadium and two of oxygen; specifically, designating those compounds in which vanadium has a lower valence as contrasted with the vanadic compounds; as, vanadous acid [Sometimes written also vanadious.]. [1913 Webster +PJC]