iːn \ / DY-een ) or diolefin ( \ / daɪˈoʊləfɨn \ / dy-OH-lə-fin ) is a hydrocarbon that contains two carbon double bonds .
iːn \ / DY-een ) or diolefin ( \ / daɪˈoʊləfɨn \ / dy-OH-lə-fin ) is a hydrocarbon that contains two carbon pi bonds .