menthol \men"thol\, n. [Mentha + -ol.] (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.
[1913 Webster +PJC]