ˈpīˌnān noun
( -s )
Etymology: International Scientific Vocabulary pin- (from Latin pinus pine) + -ane — more at pine
: a liquid saturated bicyclic hydrocarbon C 10 H 18 occurring in stereoisomeric forms of which pinene and nopinene are unsaturated derivatives; 1,3,3-trimethyl-2,4-methylene-cyclohexane