: a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units

Examples of polymer in a Sentence

Recent Examples on the Web
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The German Institutes of Textile and Fiber Research Denkendorf, or DITF, is working with the Fraunhofer Institute for Applied Polymer Research on multifilament yarns made from thermoplastic two-way shape-memory polymers. Alexandra Harrell, Footwear News, 13 Aug. 2026 By spreading stress via polymer chain rearrangement instead of allowing polymer bonds to break, the DNGEs continually reduce the risk of sudden snapping or fatigue-degradation. New Atlas, 12 Aug. 2026 Within two weeks, more than 80 of the polymer figures had disappeared. ABC News, 12 Aug. 2026 China, Sweden and the United States are major exporters of natural polymers. Jennifer McDermott, Los Angeles Times, 11 Aug. 2026 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 14 Aug. 2026.

Kids Definition

: a chemical compound or mixture of compounds that is formed by combination of smaller molecules and consists basically of repeating structural units

Medical Definition

: a chemical compound or mixture of compounds formed by polymerization and consisting essentially of repeating structural units

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