naphthyl group

American

[naf-thil groop, nap-thil] / ˈnæf θɪl ˌgrup, ˈnæp θɪl /

noun

Chemistry.

Also called alpha-naphthyl group, alpha-naphthyl radical. the univalent group C 1 0 H 7 –, having a replaceable hydrogen atom in the first, or alpha, position; 1-naphthyl group.
Also called beta-naphthyl radical, beta-naphthyl group. the univalent group C 1 0 H 7 –, having a replaceable hydrogen atom in the second, or beta, position; 2-naphthyl group.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023