What is "menthene"

Menthene \Men"thene\, n. [Menthol + terpene.] (Chem.) A colorless liquid hydrocarbon resembling oil of turpentine, obtained by dehydrating menthol. It has an agreeable odor and a cooling taste.

n. (context organic compound English) Any of a number of isomeric cyclic monoterpene hydrocarbons having a single double bond