men·thol (měn'thôl') n. A white crystalline organic compound, CH3C6H9(C3H7)OH, obtained from peppermint oil or synthesized. It is used in perfumes, in cigarettes, as a mild topical anesthetic, and as a mint flavoring.
[German, from Latin menta, mentha, mint; see mint2.] men'tho·lat'ed adj.