polymethyl methacrylate


poly·​meth·​yl methacrylate ˈpä-lē-ˌme-thəl- How to pronounce polymethyl methacrylate (audio)
: a thermoplastic resin of polymerized methyl methacrylate which is characterized by its optical clarity

Example Sentences

Recent Examples on the Web One substance produced this way was polymethyl methacrylate, an acrylic polymer better known as plexiglass. Sophie Bushwick, Scientific American, 26 Aug. 2022 Among options under consideration by the company are the sale of a polymethyl methacrylate division worth more than 1 billion euros ($1.1 billion) that makes glass-like polymers, the people said. Scott Deveau, Bloomberg.com, 10 May 2020 So avoid products with these P's: polyethylene, polypropylene, polyethylene terephthalate, and polymethyl methacrylate. Cotton Codinha, Allure, 8 Apr. 2019

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

Word History

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of polymethyl methacrylate was in 1936

Dictionary Entries Near polymethyl methacrylate

Cite this Entry

“Polymethyl methacrylate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polymethyl%20methacrylate. Accessed 30 Mar. 2023.

Medical Definition

polymethyl methacrylate

poly·​meth·​yl methacrylate ˈpäl-i-ˌmeth-əl- How to pronounce polymethyl methacrylate (audio)
: a thermoplastic resin of polymerized methyl methacrylate that is used especially in hard contact lenses and in prostheses to replace bone

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