1
: a salt or ester of methacrylic acid
2
: an acrylic resin or plastic made from a derivative of methacrylic acid

Examples of 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.
Methyl methacrylate is used to make plastics. Deborah Netburn, Los Angeles Times, 24 May 2026 Methyl methacrylate can cause damage to the skin and respiratory system. Stephanie Pappas, Scientific American, 28 May 2026 Methyl methacrylate is a volatile, flammable liquid often used in the manufacture of resins and plastics, according to the EPA. Christopher Cann, USA Today, 26 May 2026 Methyl methacrylate, the substance inside the tank at the center of the chemical incident at the Garden Grove site, is a VOC. Matthew Rodriguez, CBS News, 25 May 2026 See All Example Sentences for methacrylate

Word History

Etymology

International Scientific Vocabulary

First Known Use

1865, in the meaning defined at sense 1

Time Traveler
The first known use of methacrylate was in 1865

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Cite this Entry

“Methacrylate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methacrylate. Accessed 8 Jul. 2026.

Medical Definition

methacrylate

noun
1
: a salt or ester of methacrylic acid
2
: an acrylic resin or plastic made from a derivative of methacrylic acid
especially : methyl methacrylate

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