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methyl methacrylate

American  

noun

Chemistry.
  1. a colorless, volatile, flammable, water-insoluble, liquid, unsaturated ester, C 5 H 8 O 2 , that polymerizes readily to a clear plastic.


methyl methacrylate British  

noun

  1. a colourless liquid compound, used in the manufacture of certain methacrylate resins. Formula: CH 2 C(CH 3 )COOCH 3

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of methyl methacrylate

First recorded in 1930–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The leaked chemical is methyl methacrylate, or MMA, which is also used in superglue, Hamilton said.

From Los Angeles Times

The external contraption was built with methyl methacrylate, a polymer often used to fix cracked hooves, and steel pins.

From Washington Times

The truck’s tank was carrying a flammable liquid used in plastics called methyl methacrylate monomer and an unknown amount spilled during the crash.

From Washington Times

Fire officials say a contractor working inside the facility had been using a liquid chemical containing methyl methacrylate, which is used in the making of manufacture of resins and plastics.

From Washington Times

The scarcity stems in large part from the shortage of an obscure chemical compound called methyl methacrylate, one of the key ingredients in roadworthy paint, which must be sturdy, long-lasting and reflective.

From New York Times