copper sulphate
noun/ˌkɒpə ˈsʌlfeɪt/
/ˌkɑːpər ˈsʌlfeɪt/
(British English) (also copper sulfate North American English)
[uncountable] (symbol CuSO45H2O)
- a blue crystal that is used in electroplating and to destroy fungus
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copper sulphate