Meaning of POLYMETHYL METHACRYLATE in English

POLYMETHYL METHACRYLATE

[poly.meth.yl methacrylate] n (1936): a thermoplastic resin of polymerized methyl methacrylate which is characterized by its optical clarity (as in a contact lens)

Merriam-Webster English vocab.      Английский словарь Merriam Webster.