naphthyl

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

adjective Chemistry.

containing the naphthyl group.

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Origin of naphthyl

First recorded in 1865–70; naphth- + -yl
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for naphthyl

naphthyl
/ (ˈnæfθaɪl, -θɪl, ˈnæp-) /

noun

(modifier) of, consisting of, or containing either of two forms of the monovalent group C 10 H 7

Word Origin for naphthyl

C19: from naphtha + -yl
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012