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 Recyclable Plastic Bag Alliance warned the ban would trigger an increase in thin non-woven polypropylene, or NWPP, bags, which would lead to additional plastic usage. Kate Wolffe, Sacbee.com, 17 Oct. 2025 When not in use, the whole shebang packs down into a polypropylene case measuring 25 inches long by 18 in wide by 13 in high (635 by 457 by 330 mm) and tipping the scales at 19.4 lb (8.8 kg), gear not included. New Atlas, 2 Oct. 2025 Cotton or linen blends work if treated with a water-repellant finish (like Scotchgard), while Polyester, nylon, or olefin (polypropylene) are strong, budget-friendly, and inherently stain resistant. Lauren Bengtson, Better Homes & Gardens, 1 Oct. 2025 The item was packaged in 2.5 oz sealed, polypropylene bags. Matthew Robinson, MSNBC Newsweek, 1 Oct. 2025 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

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Cite this Entry

“Polypropylene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polypropylene. Accessed 21 Oct. 2025.

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