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naph'thyl group"



Chem.
1. Also called alpha-naphthyl group, alpha-naphthyl radical. the univalent group C10H7–, having a replaceable hydrogen atom in the first, or alpha, position; 1-naphthyl group.
2. Also called beta-naphthyl group, beta-naphthyl radical. the univalent group C10H7–, having a replaceable hydrogen atom in the second, or beta, position; 2-naphthyl group. Also called naph'thyl rad"ical.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

naphthylnapier

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