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Webster 1913 Edition

Noun.

(Chem.)

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.

terebene ‎(plural terebenes)

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