ˈmen(t)thə̇l noun
( -s )
Etymology: International Scientific Vocabulary menth- + -yl
1. : the univalent radical C 10 H 19 derived from menthol by removal of the hydroxyl group; 3- para -menthyl
2. : any of the univalent radicals C 10 H 19 derived from menthane by removal of one hydrogen atom