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



BrE BrE//ˈfiːnɒl//
; NAmE NAmE//ˈfiːnɔːl//
, NAmE//ˈfiːnɑːl//
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a poisonous white chemical. When dissolved in water it is used as an antiseptic and disinfectant, usually called carbolic acid. Word Origin mid 19th cent.: from French phénole, based on phène ‘benzene’.