Men"thol (?), n. [Mentha + - ol.] (Chem.) A white, crystalline, aromatic substance resembling camphor, extracted from oil of peppermint (Mentha); -- called also mint camphor or peppermint camphor.

• Containing the compound menthol.
        Menthol cigarettes are popular.
  
• (Chemistry) An organic compund (formula C10H20O) made synthetically or obtained from plants of the mint family. It is used in sore throat and itch relief preparation sold over the counter, and as an additive to cigarrettes.