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Dictionary

nickel'ic ox'ide

Chem.
a gray-black, water-insoluble powder, Ni₂O₃, which, at 600°C, decomposes to nickel oxide: used chiefly in storage batteries as an oxidizing agent. Also called black nickel oxide, nickel sesquioxide.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

nickelic

nickeliferous

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