A trivalent radical, —C₆ H₃ , derived from benzene by the loss of three hydrogen atoms (specifically in meta positions). Usually attributive.
phenenyl/ˈfiːnɪnʌɪl/ /ˈfɛnɪnʌɪl/ /ˈfiːnɪn(ɪ)l/
Early 20th century; earliest use found in The New English Dictionary. Apparently from pheno- + -ene + -yl.
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