Nāp'h'tha-līne, n.

(nāp'-, or nāf'-), n. [Fr. naphthaline, from Lat. naphtha. See supra.] (Chem.) A peculiar, white, crystallizable substance, deposited from naphtha distilled from coal tar, consisting of hydrogen and carbon. It is heavier than water, has a pungent taste, and a peculiar, faintly aromatic odor, not unlike that of the narcissus. Brande.