terpene

Any of various unsaturated hydrocarbons, C₁₀H₁₆, found in essential oils and oleoresins of plants such as conifers and used in organic syntheses.

Any one of a class of hydrocarbons having the common formula C₁₀H₁₆, found chiefly in essential oils and resins.

Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils.

A very large class of naturally occurring and synthetic organic compounds formally derived from the hydrocarbon isoprene; they include many volatile compounds used in perfume and food flavours, turpentine, the steroids, the carotene pigments and rubber.

an unsaturated hydrocarbon obtained from plants