poly·​mer | \ ˈpä-lə-mər How to pronounce polymer (audio) \

Definition of polymer

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

Other Words from polymer

polymeric \ ˌpä-​lə-​ˈmer-​ik How to pronounce polymer (audio) \ adjective
polymerism \ pə-​ˈli-​mə-​ˌri-​zəm How to pronounce polymer (audio) , ˈpä-​lə-​mə-​ How to pronounce polymer (audio) \ noun
polymerlike \ ˈpä-​lə-​mər-​ˌlīk How to pronounce polymer (audio) \ adjective

Examples of polymer in a Sentence

Recent Examples on the Web These mascaras contain rayon and nylon polymer to coat the lashes and are frequently paired with dense brushes that allow the polymers to cling onto the lashes. Sydney Poe, chicagotribune.com, 14 Apr. 2021 The hardy exoskeletons of crabs and their marine ilk are rich in useful, versatile chemicals like calcium carbonate, which has medicinal and industrial uses, and chitin, the second-most abundant natural polymer found on Earth. Miriam Fauzia, Popular Mechanics, 8 Sep. 2022 Its $49 CoolLife Tee is made from polyethylene, the same polymer used in plastic bags. Christopher Flavelle, BostonGlobe.com, 3 Sep. 2022 During this process of biodegradation, microbes consume the polymer as food and leave behind organic products such as carbon dioxide. Spencer Donovan, ajc, 20 Aug. 2022 On the control polymer, by contrast, dendrites of sodium with sharp edges formed. John Timmer, Ars Technica, 6 July 2022 The polymer used in this ski boot comes from castor oil, which is extracted from a non-edible crop. Outside Online, 9 Mar. 2022 The researchers spend a lot of the paper simply cycling sodium into and out of the polymer and seeing what happens. John Timmer, Ars Technica, 6 July 2022 Now, the icy continent at the southern tip of the world — which is visited mostly by scientists — joins the remote reaches of the planet where researchers have documented the presence of these tiny pieces of polymer. Evan Bush, NBC News, 9 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polymer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of polymer

1866, in the meaning defined above

History and Etymology for polymer

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

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Time Traveler for polymer

Time Traveler

The first known use of polymer was in 1866

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Last Updated

28 Sep 2022

Cite this Entry

“Polymer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polymer. Accessed 2 Oct. 2022.

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More Definitions for polymer


poly·​mer | \ ˈpä-lə-mər How to pronounce polymer (audio) \

Kids Definition of polymer

: a chemical compound that is made of small molecules that are arranged in a simple repeating structure to form a larger molecule


poly·​mer | \ ˈpäl-ə-mər How to pronounce polymer (audio) \

Medical Definition of polymer

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

More from Merriam-Webster on polymer

Nglish: Translation of polymer for Spanish Speakers

Britannica.com: Encyclopedia article about polymer


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