methyl methacrylate

noun

: a volatile flammable liquid C5H8O2 that polymerizes readily and is used especially as a monomer for resins

Examples of methyl methacrylate 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.
Made with oil-absorbing ingredients, including silica and methyl methacrylate cross polymer, the sunscreen also has humectants and emollients. — Jenny Berg, InStyle, 29 May 2026 But the tanks, which contain a highly reactive liquid chemical known as methyl methacrylate, or MMA, used to make materials such as plexiglass, are still at the facility. — Hannah Fry, Los Angeles Times, 10 June 2026 The hazardous material incident started on May 22 after a tank containing methyl methacrylate, a highly flammable and toxic substance, failed to cool and leaked at GKN Aerospace's facility. — Nicole Comstock, CBS News, 5 June 2026 The warrant also lists wanted records related to equipment inspections and maintenance at GKN and samples of substances within any tanks or containers suspected of having previously held methyl methacrylate or other hazardous materials. — Sean Emery, Oc Register, 10 June 2026 See All Example Sentences for methyl methacrylate

Word History

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of methyl methacrylate was in 1933

Rhymes for methyl methacrylate

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Browse Nearby Words

methylmercury
methyl methacrylate
methylnaphthalene
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Cite this Entry

“Methyl methacrylate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methyl%20methacrylate. Accessed 7 Jul. 2026.

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Medical Definition

methyl methacrylate

noun
: a volatile flammable liquid ester C5H8O2 that polymerizes readily and is used especially as a monomer for acrylic resin

More from Merriam-Webster on methyl methacrylate

Britannica.com: Encyclopedia article about methyl methacrylate

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