pinene

[pahy-neen]
noun Chemistry.
  1. a liquid terpene, C10H16, the principal constituent of oil of turpentine, found in other essential oils: used chiefly in the manufacture of camphor.

Origin of pinene

First recorded in 1880–85; pine1 + -ene
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British Dictionary definitions for pinene

pinene

noun
  1. either of two isomeric terpenes, found in many essential oils and constituting the main part of oil of turpentine. The commonest structural isomer (α-pinene) is used in the manufacture of camphor, solvents, plastics, and insecticides. Formula: C 10 H 16

Word Origin for pinene

C20: from pine 1 + -ene
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