'Nickelous' definitions:

Definition of 'Nickelous'

From: GCIDE
  • Nickelous \Nick"el*ous\, a. (Chem.) Of, pertaining to, or designating, those compounds of nickel in which, as contrasted with the nickelic compounds, the metal has a lower valence; as, nickelous oxide. --Frankland. [1913 Webster]