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no·pi·nene | \ ˈnōpəˌnēn \
plural -s
Definition of nopinene
: a terpene C10H16 associated with alpha-pinene in turpentine oils and hyssop oil : a liquid bicyclic terpene that is usually levorotatory in its natural oils and that isomerizes to alpha-pinene (as on heating)
— called also beta-pinene, 2(10)-pinene
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