naphthyl group


noun Chemistry.

  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.

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