Definition of methyl methacrylate in English:

methyl methacrylate

noun

Chemistry
  • The methyl ester of methacrylic acid, CH₂=C(CH₃)COOCH₃, which is a volatile liquid that readily polymerizes to form a transparent plastic used as a glass substitute, sold under names such as Lucite, Perspex, and Plexiglas.

Origin

1930s; earliest use found in Chemical Abstracts.