polyethylene terephthalate

noun

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

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of polyethylene terephthalate was in 1946

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Dictionary Entries Near polyethylene terephthalate

polyethylene glycol

polyethylene terephthalate

polyfluoroalkyl

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Cite this Entry

“Polyethylene terephthalate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyethylene%20terephthalate. Accessed 2 Dec. 2023.

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