: 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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Von Holzhausen said the polymer is designed to integrate into existing manufacturing processes rather than require dedicated production infrastructure. Alexandra Harrell, Footwear News, 3 Sep. 2026 Nearly all our tools to prevent this—paints, polymer films, or oxide layers—are built around this idea. Jacek Krywko, ArsTechnica, 31 Aug. 2026 An internal polymer maximizes energy transfer and dampens vibration – making shots feel soft and powerful, while soaring high and tight. Scott Kramer, Forbes.com, 30 Aug. 2026 Avoiding extensive pretreatment could be particularly important for commercial operations because waste plastic often contains different polymers and contaminants. Bojan Stojkovski, Interesting Engineering, 30 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 4 Sep. 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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