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nickel sesquioxide

noun, Chemistry.

nickelic oxide

noun, Chemistry.
a gray-black, water-insoluble powder, Ni 2 O 3 , which, at 600°C, decomposes to nickel oxide: used chiefly in storage batteries as an oxidizing agent.
Also called black nickel oxide, nickel sesquioxide. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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