polymethacrylate

/P AA1 L AH0 M AH0 TH AH0 K R IY0 L EY1 T/
noun
  1. 1

    (chemistry) Any polymer of an ester of methacrylic acid, especially polymethyl methacrylate

  2. 2

    (chemistry) Any salt or ester of polymethacrylic acid