from The Century Dictionary.

  • Pertaining to naphthalene, especially to naphthalic acid.
  • A colorless compound, C10H6-(COOH)2, prepared by the oxidation of acenaphthene. It crystallizes in long, silky, hair-like needles and melts at 266° C.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective 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.
  • adjective Formerly, designating an acid probably identical with phthalic acid.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of, pertaining to, yielding, or derived from naphthalene


from Wiktionary, Creative Commons Attribution/Share-Alike License

From naphthalene +‎ -ic


  • Naphthol, a phenol-like body obtained from naphthalene, under the same conditions, produces sodium di-nitro - naphthalic acid, C_ {10} H_ {6} (NO_ {2}) _ {2} O.

    Nitro-Explosives: A Practical Treatise


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