Main Entry: ter·pene

Pronunciation: \ˈtər-ˌpēn\

Function: noun

: 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