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polyethylene terephthalate

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Definition of polyethylene terephthalate

: a tough thermoplastic resin used especially in the manufacture of plastic containers —abbreviation PET

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First Known Use of polyethylene terephthalate

1946, in the meaning defined above

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The first known use of polyethylene terephthalate was in 1946

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Cite this Entry

“Polyethylene terephthalate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyethylene%20terephthalate. Accessed 23 Jan. 2021.

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