cobalt oxide

noun

Definition of cobalt oxide

: an oxide of cobalt: such as
a : the monoxide CoO obtained usually as a grayish powder

called also cobaltous oxide

b : a gray to blue-black powder containing cobalt monoxide and higher oxides (as tricobalt tetroxide Co3O4) and used chiefly in coloring glass and ceramic ware blue

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Learn More About cobalt oxide

Dictionary Entries Near cobalt oxide

cobaltous sulfate

cobalt oxide

cobalt pyrites

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Cite this Entry

“Cobalt oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cobalt%20oxide. Accessed 27 Oct. 2021.

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