Definition of sulphate noun from the Oxford Advanced Learner's Dictionary

 

sulphate

 noun
(especially US English sulfate)noun
BrE BrE//ˈsʌlfeɪt//
 
; NAmE NAmE//ˈsʌlfeɪt//
 
[countable, uncountable](chemistry)
 
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a compound of sulphuric acid and a chemical element copper sulphate note at sulphur (1) Word Origin late 18th cent.: from French sulfate, from Latin sulphur.
See the Oxford Advanced American Dictionary entry: sulphate

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