SULPHONATE Meaning of SULPHONATE in English sulpho|nate BrE AmE ˈsʌlf ə |neɪt▷ sulpho|nated neɪt ɪd -əd AmE neɪt̬ əd▷ sulpho|nates neɪts▷ sulpho|nating neɪt ɪŋ AmE neɪt̬ ɪŋ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012