polypropylene

noun

poly·​pro·​pyl·​ene ˌpä-lē-ˈprō-pə-ˌlēn How to pronounce polypropylene (audio)
: any of various thermoplastic plastics or fibers that are polymers of propylene

Examples of polypropylene in a Sentence

Recent Examples on the Web
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The tea bags studied by the Barcelona scientists contained polypropylene, cellulose and nylon, but there are many tea bags in stores which are plastic free. Hatty Willmoth, Newsweek, 3 Jan. 2025 The mug's lid is made out of polypropylene, a common thermoplastic that is chemical resistant, heat resistant, flame resistant and gas and water permeability resistant, German manufacturer Xometry said. Joyce Orlando, The Tennessean, 13 Dec. 2024 Blue is the dominant color of microplastic found inside Guiana dolphins on the coast of Espírito Santo, and polypropylene is the dominant synthetic polymer found on Ulva rigida seaweed. Rafil Kroll-Zaidi, Harper's Magazine, 2 June 2024 Advertisement Stanley said the recall includes double-walled mugs sold in a variety of colors including white, black and green, in 12-ounce, 16-ounce and 20-ounce sizes with a polypropylene lid. Michelle Chapman, Los Angeles Times, 13 Dec. 2024 See all Example Sentences for polypropylene 

Word History

First Known Use

1935, in the meaning defined above

Time Traveler
The first known use of polypropylene was in 1935

Dictionary Entries Near polypropylene

Cite this Entry

“Polypropylene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polypropylene. Accessed 18 Jan. 2025.

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