• synonyms

nickel oxide

noun Chemistry.
  1. a green, water-insoluble powder, NiO, used chiefly in the manufacture of nickel salts and in green pigments for ceramic paints.
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Also called nickel monoxide, nickelous oxide, nickel protoxide.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018