piperylene

noun
piper·y·lene | \ pīˈperəˌlēn , pə̇ˈp- ; ˈpipər- \
plural -s

Definition of piperylene 

: an oily diolefin hydrocarbon CH3CH=CHCH=CH2 isomeric with isoprene formed in the cracking of petroleum and also made synthetically (as by exhaustive methylation of piperidine); 1,3-pentadiene

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History and Etymology for piperylene

International Scientific Vocabulary piperidine + -ylene

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