Related formsnaph·thal·ic [naf-thal-ik, nap-] /næfˈθæl ɪk, næp-/, naph·tha·len·ic [naf-thuh-len-ik, nap-] /ˌnæf θəˈlɛn ɪk, ˌnæp-/, adjective
Examples from the Web for naphthalene
If four atoms of chlorine enter the naphthalene molecule the product is a hard wax that rings like a metal.
He found that by acting on naphthalene—the moth-ball stuff—with chlorine he got a series of useful products called "halowaxes."
From this last statement it will be inferred that naphthalene is now a source of colouring-matters.
The important constituents of this portion are carbolic acid and naphthalene.
The same thing applies to quinoline as compared to naphthalene.