menthol n. (Chem.) A white, crystalline, aromatic substance (C10H20O) resembling camphor, extracted from oil of peppermint (Mentha); called also mint camphor or peppermint camphor. It has the peculiar effect on skin and membranes of making them feel cool, and is used in liqueurs, confections, cigarettes, cough drops and perfumes, among other things.
... it," Aggie quavered. Now that the quarry was in sight she was more and more nervous, sneezing at short intervals in spite of her menthol inhaler. "I am sorry, Tish, but I cannot feel the same about that wooden revolver as I would about a real one. And even when I try to forget that it is only wood the carving ... — Tish, The Chronicle of Her Escapades and Excursions • Mary Roberts Rinehart