Definition of polymethacrylate in English:

polymethacrylate

noun

  • Polymethyl methacrylate. Also: a salt or ester of polymethacrylic acid; a polymer of an ester of methacrylic acid.

Origin

1930s. From poly- + methacrylate, after polymethacrylic.

Pronunciation

polymethacrylate

/ˌpɒlɪmɪˈθakrɪleɪt/