isopropenyl

noun

iso·​pro·​pe·​nyl

-ōpənᵊl,

-ˌnil

: the univalent radical CH₂=C(CH₃)− isomeric with propenyl

isopropenyl -isopropylidene isomerism … is typical of many terpenoids

—W. S. Ropp

Word History

Etymology

International Scientific Vocabulary is- + propenyl

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