longifoleneEtymologyFrom Latin longifolia + -ene, after the pine species Pinus longifolia (an obsolete name for Pinus roxburghii Sarg.).longifolene means A naturally-occurring oily liquid hydrocarbon found primarily in the high-boiling fraction of certain pine resins. Lexicurio rates it Sui generis — a strength score of 89 out of 100.nounA naturally-occurring oily liquid hydrocarbon found primarily in the high-boiling fraction of certain pine resins.“Among sesquiterpenes, the most abundant compounds are longifolene and caryophyllene, and the sum of them reaches up to 82% of sesquiterpenes.”