from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white crystalline compound, C6H4(CO)2O, prepared by oxidizing naphthalene and used in the manufacture of phthaleins and other dyes, resins, plasticizers, and insecticides.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The acid anhydride of phthalic acid; manufactured by the oxidation of xylene or naphthalene, widely used in the synthesis of dyes, insecticides, plasticizers and pharmaceuticals.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a white cyclic anhydride
Sorry, no etymologies found.