sulphidic

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• sulphide — /ˈsʌlfaɪd/ (say sulfuyd) noun a compound formed of sulphur and another chemical element or radical, usually one more electropositive than sulphur. Also, sulfide. –sulphidic /sʌlˈfɪdɪk/ (say sul fidik), adjective Usage: Traditionally sulphide has… …