terebene

A mixture of terpenes prepared from oil of turpentine, used as an expectorant and antiseptic.

A colorless mobile liquid hydrocarbon (C₁₀H₁₆) having a faint odor, and optically inactive, prepared by treating rectified oil of turpentine with concentrated sulphuric acid in the cold.

A polymeric modification of terpene, obtained as a white crystalline camphorlike substance; — called also camphene. By extension, any one of a group of related substances.

Any of various preparations, composed mainly of terpenes, obtained from camphor or turpentine by several chemical methods, used as an expectorant and antiseptic