Dictionary![]() ![]() chlo•ro•naph•tha•lenePronunciation: (klôr"u-naf'thu-lēn", -nap'-, klōr"-), [key] —n. 1. either of two isomeric naphthalene compounds containing one chlorine atom. 2. any of a group of compounds prepared from naphthalene and containing one or more chlorine atoms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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