chloronaphthalene

[ klawr-uh-naf-thuh-leen, -nap-, klohr- ]
/ ˌklɔr əˈnæf θəˌlin, -ˈnæp-, ˌkloʊr- /

noun

either of two isomeric naphthalene compounds containing one chlorine atom.
any of a group of compounds prepared from naphthalene and containing one or more chlorine atoms.

Origin of chloronaphthalene