ˈterəˌbēn noun
( -s )
Etymology: French térébène, from térébinthe terebinth (from Middle French) + -ène -ene
: a liquid mixture of terpenes that is formed by the action of sulfuric acid on turpentine (sense 2) and distillation with steam, that consists chiefly of dipentene and terpinenes, that resinifies on exposure to air and light, and that is used chiefly as an expectorant