thymolPronunciation: /ˈθʌɪmɒl/Definition of thymol noun [mass noun] Chemistry a white crystalline compound present in oil of thyme and used as a flavouring and preservative. Alternative name: 2-isopropyl-5-methylphenol; chemical formula: C10H13OH Origin: mid 19th century: from Greek thumon 'thyme' + -olthymol in other Oxford dictionaries Definition of thymol in the US English dictionary
