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English definition of “sulphur”

sulphur

noun [U] uk UK (US sulfur)   /ˈsʌl.fər/ us    /-fɚ/ (symbol S)
a pale yellow chemical element that exists in various physical forms. It burns with a blue flame and a strong smell and is used in medicine and industry.
sulphurous
adjective uk (US sulfurous)   /-əs/ us  
(Definition of sulphur from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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