✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

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.
Resin is an excellent option for those familiar with the medium, as well as air-dry clay and polymer clay. Cori Sears, Better Homes & Gardens, 28 Nov. 2025 Sleeping on one of Purple’s proprietary polymer latex mattresses feels like being cradled but is still supportive with a medium-firm feel—at least according to our editorial operations director Diane Dragan. Nashia Baker, Architectural Digest, 28 Nov. 2025 The researchers applied a mechanical stretching process to align these polymer chains in a single direction. Aman Tripathi, Interesting Engineering, 27 Nov. 2025 Inside the head, there’s a heating unit that melts the polymer. Charlotte Hu, Popular Science, 27 Nov. 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

Browse Nearby Words

Cite this Entry

“Polymer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polymer. Accessed 29 Nov. 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

More from Merriam-Webster on polymer

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!