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isophthalic acid

[ahy-suh-thal-ik, ahy-suh-] /ˈaɪ səˈθæl ɪk, ˌaɪ sə-/
noun, Chemistry.
a colorless, crystalline, slightly water-soluble solid, C 8 H 6 O 2 , the meta isomer of phthalic acid: used chiefly in the manufacture of resins and plasticizers.
Origin of isophthalic acid
1865-70; iso- + phthalic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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