From Longman Dictionary of Contemporary Englishmentholmen‧thol /ˈmenθɒl $ -θɒːl, -θɑːl/ noun [uncountable] DFDFTa substance that smells and tastes of mint, used to give cigarettes and sweets a special taste
Examples from the Corpus
menthol• No aromatic oils, vapour rubs, smelly nasal decongestants like menthol or eucalyptus etc.Origin menthol (1800-1900) German Latin mentha “mint” 