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methyl methacrylate

noun Chemistry.
  1. a colorless, volatile, flammable, water-insoluble, liquid, unsaturated ester, C5H8O2, that polymerizes readily to a clear plastic.
Compare Lucite, Plexiglas.

Origin of methyl methacrylate

First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for methyl methacrylate

methyl methacrylate

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