terpinene

noun ter·pi·nene \-pəˌnēn\

Definition of terpinene

plural

-s

  1. :  any of three liquid isomeric monocyclic terpene hydrocarbons C10H16 obtained usually in mixtures of the alpha and gamma isomers (as by isomerization of pinene, alpha-phellandrene, or dipentene with sulfuric acid): such as a :  the isomer that has an odor like that of lemons and is the principal component of the mixtures and that occurs in coriander oil, chenopodium oil, and other essential oils; 1,3-para-mentha-diene —called also alpha-terpinene b :  the isomer that occurs in coriander oil, lemon oil, and other essential oils; 1,4-para-menthadiene —called also crithmene, gamma-terpinene

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of terpinene

International Scientific Vocabulary terpin + -ene


Seen and Heard

What made you want to look up terpinene? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!