D defs.my
Entry 1 sense Webster, 1913

Naphthalic

· Naph·tha·lic · IPA
01 a. Pertaining to, derived from, or related to, naphthalene; -- formerly used to denote any one of a series of acids derived from naphthalene, …
  1. 1.
    Pertaining to, derived from, or related to, naphthalene; -- formerly used to denote any one of a series of acids derived from naphthalene, and called naphthalene acids, now specifically referring to 1,8-naphthalenedicaboxylic acid, C12H8O4.(Chem.)