ˈmenˌthēn noun
( -s )
Etymology: International Scientific Vocabulary menth- (from New Latin Mentha ) + -ene
1. : an oily unsaturated hydrocarbon C 10 H 18 that is a tetrahydro derivative of the para isomer of cymene obtained from menthol by dehydration
2. : any of several tetrahydro derivatives C 10 H 18 (as carvomenthene) of the cymenes