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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When coated onto a polypropylene separator with graphene, the material formed a thin interfacial layer that readily absorbed electrolyte while suppressing polysulfide migration. Neetika Walter, Interesting Engineering, 3 July 2026 The Helix is made from recycled polypropylene, with the company focused on reducing waste that comes from upsizing pots as a plant outgrows its surroundings. New Atlas, 2 July 2026 This 2-foot-2-inch-by-6-foot runner combines the softness of microfiber polyester with the durability of polypropylene, creating a surface that's comfortable and stands up to everyday traffic. Michele Laufik, Martha Stewart, 11 June 2026 Made of durable polypropylene, this option holds up to all weather and can be hosed off for a quick refresh. Better Homes & Gardens, 7 June 2026 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 5 Jul. 2026.

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