polymer

noun

poly·​mer ˈpä-lə-mər How to pronounce polymer (audio)
: a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units
polymeric adjective
polymerlike adjective

Examples of polymer 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.
Microplastics are polymer fragments that can range from less than 0.2 inch (5 millimeters) down to 1/25,000th of an inch (1 micrometer). Sandee Lamotte, CNN Money, 18 June 2025 Utilizing a commercial high-fidelity inkjet printer, that digital map was converted into a physical two-layer mask printed onto an ultra-thin clear polymer film. Ben Coxworth, New Atlas, 15 June 2025 The map is then printed onto two layers of thin, transparent polymer film—one with colored retouches and one with the same pattern in white—that attach to the painting with conventional varnish. Margherita Bassi, Smithsonian Magazine, 13 June 2025 Subsequent Generations have evolved with new materials, polymers that better transfer energy, inventive designs and the addition of several lines of drivers, fairway woods, hybrids, wedges, putters and even a mini-driver. Candace Oehler, Forbes.com, 27 May 2025 See All Example Sentences for polymer

Word History

Etymology

International Scientific Vocabulary, back-formation from polymeric, from Greek polymerēs having many parts, from poly- + meros part — more at merit entry 1

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of polymer was in 1866

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Cite this Entry

“Polymer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polymer. Accessed 27 Jun. 2025.

Kids Definition

polymer

noun
poly·​mer ˈpäl-ə-mər How to pronounce polymer (audio)
: a chemical compound or mixture of compounds that is formed by combination of smaller molecules and consists basically of repeating structural units
polymeric adjective

Medical Definition

polymer

noun
poly·​mer ˈpäl-ə-mər How to pronounce polymer (audio)
: a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units

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