polymethyl methacrylate
noun
poly·meth·yl methacrylate
ˈpä-lē-ˌme-thəl- 
: a thermoplastic resin of polymerized methyl methacrylate which is characterized by its optical clarity
Examples of polymethyl methacrylate in a Sentence
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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
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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
Cite this Entry
“Polymethyl methacrylate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polymethyl%20methacrylate. Accessed 30 Apr. 2025.
Copy CitationMedical Definition
polymethyl methacrylate
noun
poly·meth·yl methacrylate
ˈpäl-i-ˌmeth-əl-
: 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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