terpene

ter·pene

noun \ˈtər-ˌpēn\

Definition of TERPENE

: any of various isomeric hydrocarbons C₁₀H₁₆ found present in essential oils (as from conifers) and used especially as solvents and in organic synthesis; broadly : any of numerous hydrocarbons (C₅H₈)_n found especially in essential oils, resins, and balsams

—ter·pene·less \-ləs\ adjective

—ter·pe·nic \ˌtər-ˈpē-nik, -ˈpen-ik\ adjective