from The American Heritage® Dictionary of the English Language, 5th Edition.

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

from The Century Dictionary.

  • noun 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.

from the GNU version of the Collaborative International Dictionary of English.

  • 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun 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


from The American Heritage® Dictionary of the English Language, 4th Edition

[French térébène, from térébinthe, terebinth, from Old French terebinte; see terebinth.]


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