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n. Either of two isomeric terpene liquids, C10H16, used as solvents and in making resins.

n. Either of two isomeric bicyclic monoterpene hydrocarbons that are the principal components of pine resin

n. The principal constituent of a large number of volatile oils, especially of those obtained from many varieties of pine.

"Softwoods emit terpenes, the most common of which is alpha pinene, which is what turpentine is made of."

carene    dipentene    cineol    azulene    borneol