| 单词 | cobalt oxide |
| 释义 | cobalt oxidenoun : 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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