Meaning of phthalic acid

phthal'ic ac'id

Pronunciation: [key]
  1. any of three isomeric acids having the formula CHO, esp. the ortho isomera colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
  2. See
  3. See
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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