Definition of menthene in US English:

menthene

noun

Chemistry
  • Any of a number of isomeric monounsaturated cyclic liquid hydrocarbons, C₁₀H₁₈, formally derived from menthane (terpane) by the loss of two hydrogen atoms.

Origin

Mid 19th century; earliest use found in Robert Thomson (1810–1864), medical officer of health. From French menthène from menthe mint (from classical Latin mentha) + -ène.

Pronunciation

menthene

/ˈmɛnθiːn/