An unsaturated hydrocarbon obtained from plants.
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
Gruppe von Kohlenwasserstoffen, die in äther. Ölen vieler Pflanzen, bes. der Nadelhölzer, vorkommen u. vielfach als Riechstoffe dienen.