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

Examples of polymethyl methacrylate in a Sentence

Recent Examples on the Web At the time of publication, the study’s algorithm was able to identify seven types of plastics: polyamide, polypropylene, polyethylene, polymethyl methacrylate, polyvinyl chloride, polystyrene, and polyethylene terephthalate. Cnn.com Wire Service, The Mercury News, 9 Jan. 2024 Other plastics confirmed in the water in microscopic quantities include polystyrene, polyvinyl chloride and polymethyl methacrylate, also known as plexiglass. Corinne Purtill, Los Angeles Times, 8 Jan. 2024 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 examples are programmatically compiled from various online sources to illustrate current usage of the word 'polymethyl methacrylate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 20 May. 2024.

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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