Definition of longifolene in US English:

longifolene

noun

Chemistry
  • A colourless viscous oil with a woody aroma, present in the resins from some species of pine.

Origin

1920s; earliest use found in John Simonsen (1884–1957), organic chemist. From scientific Latin longifolia, former specific epithet of the tree from which the oil was first isolated, the Himalayan chir pine Pinus longifolia, now P. roxburghii + -ene.