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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Best ski socks These ski socks are made of a blend of polypropylene and Merino wool and have a mid-weight thickness with an elastic arch support. Bestreviews, Chicago Tribune, 3 Mar. 2026 Among other work, the article describes lab experiments focused on maximizing output of ethylene and propylene—the building blocks of polyethylene and polypropylene plastics. Literary Hub, 26 Feb. 2026 The company has described its thermoplastic as an easier-to-recycle alternative to the polyethylene and polypropylene lids found in grocery and convenience stores worldwide. Sacbee.com, 13 Feb. 2026 Woven Or Non-Woven Polypropylene Bags According to the American Cleaning Institute (ACI), woven or non-woven polypropylene bags can be tossed in the washing machine. Molly Burford, Southern Living, 9 Feb. 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

Browse Nearby Words

Cite this Entry

“Polypropylene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polypropylene. Accessed 8 Mar. 2026.

More from Merriam-Webster on polypropylene

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster