Naphthalic
Pronunciation : Naph*tha"lic, a. (Chem.) (a) Pertaining to, derived from, or related to, naphthalene; -- used specifically to denote any one of a series of acids derived from naphthalene, and called naphthalene acids. (b) Formerly
Part of Speech : designating
Definition :
an acid probably identical with phthalic acid.
Source : Webster's Unabridged Dictionary, 1913