Sulphine \Sul"phine\, n. (Chem.)
Any one of a series of basic compounds which consist
essentially of sulphur united with hydrocarbon radicals. In
general they are oily or crystalline deliquescent substances
having a peculiar odor; as, {trimethyl sulphine},
{(CH3)3S.OH}. Cf. {Sulphonium}.
[1913 Webster]