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terephthalic acid

[ter-ef-thal-ik, ter-] /ˈtɛr ɛfˈθæl ɪk, ˌtɛr-/
noun, Chemistry
1.
a white, crystalline, water-insoluble solid, C 8 H 6 O 2 , the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
Origin
1855-1860
1855-60; tere(bic) + phthalic
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for terephthalic acid

terephthalic acid

/ˌtɛrɛfˈθælɪk/
noun
1.
a white crystalline water-insoluble carboxylic acid used in making polyester resins such as Terylene; 1,4-benzenedicarboxylic acid. Formula: C6H4(COOH)2
Word Origin
C20: from terebene + phthalic acid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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