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BNC: 13250 COCA: 13019

cobalt noun [ U ] METAL

a chemical element that is a hard silver-white metal, used in metal mixtures and for making materials blue

cobalt noun [ U ] COLOUR

also cobalt blue a deep blue or greenish-blue colour钴类颜料

cobaltadjectiveuk/ˈkəʊ.bɒlt/ us/ˈkoʊ.bɑːlt/ also cobalt blue

having a deep blue or greenish-blue colour钴蓝的,深蓝色的;蓝绿色的


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