Answer: thymol

AnswerCrossword Clue
thymola crystalline phenol C10H14O of aromatic odor and antiseptic properties found especially in thyme oil or made synthetically and used chiefly as a fungicide and preservative
thymolcolorless, crystalline, slightly water-soluble solid, C10H14O, having a pungent, aromatic taste and odor, obtained from the oil distilled from thyme or prepared synthetically: used chiefly in perfumery, embalming, preserving biologic