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cumene

noun
cu·​mene | \ ˈkyü(ˌ)mēn\
plural -s

Definition of cumene

: a colorless oily hydrocarbon (CH3)2CHC6H5 obtained by acid-catalyzed alkylation of benzene with propylene and used as an additive for high-octane motor fuel; isopropyl-benzene

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History and Etymology for cumene

International Scientific Vocabulary cum- + -ene; originally formed as French cumène

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