[1] : The Collaborative International Dictionary of English v.0.48

vanadious \vana"dious\, a. chem.
   pertaining to, or containing, vanadium; specifically,
   designating those compounds in which vanadium has a lower
   valence as contrasted with the vanadic compounds; as,
   vanadious acid. usually written vanadous. sometimes
   written also vanadous.
   1913 webster
see also:
vanadic vanadous 

[2] : The Collaborative International Dictionary of English v.0.48

vanadous \van"adous\, 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
see also:
vanadic vanadious 

Vanadous >> V Words
Vanadous, definition of term: Vanadous
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