a green, water-insoluble powder, NiO, used chiefly in the manufacture of nickel salts and in green pigments for ceramic paints.
- Also called nickel monoxide, nickelous oxide, nickel protoxide.
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How to use nickel oxide in a sentence
The ignited substance is nickel oxide (NiO), and contains 78.67 per cent.A Textbook of Assaying: For the Use of Those Connected with Mines. | Cornelius Beringer and John Jacob Beringer
Before going further we must consider another oxide—namely, nickel oxide.
The positive plate is made up of small, perforated tubes containing nickel oxide mixed with very thin flakes of metallic nickel.
The battery is said to be discharging as long as the iron is receiving oxygen from the nickel oxide.
But the nickel oxide will readily give up its excess of oxygen, and the iron will receive it back freely if permitted.