( BrE ) ( NAmE sul·fur ) / ˈsʌlfə(r); NAmE / noun
[ U ] ( symb S ) a chemical element. Sulphur is a pale yellow substance that produces a strong unpleasant smell when it burns and is used in medicine and industry.
► sul·phur·ous ( BrE ) ( NAmE sul·fur·ous ) / ˈsʌlfərəs; NAmE / adjective :
sulphurous fumes
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WORD ORIGIN
Middle English : from Anglo-Norman French sulfre , from Latin sulfur , sulphur .