Definition of "terephthalic" []

• Pertaining to, or derived from terephthalic acid or its derivatives (adjective)

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• "The MEG is then mixed with terephthalic acid to create PET plastic."
• "Sure enough, the bacteria took a liking to O'Connor's snack and turned the solid--terephthalic acid--into PHA."
• "Purified terephthalic acid, or PTA, is a raw material for polyester fiber and food and drink packaging."