polymethyl methacrylatePronunciation: /pɒlɪˌmiːθʌɪl mɪˈθakrɪlət, -ˌmɛθ-, -θɪl/Definition of polymethyl methacrylate noun [mass noun] a glassy synthetic resin obtained by polymerizing methyl methacrylate. polymethyl methacrylate in other Oxford dictionaries Definition of polymethyl methacrylate in the US English dictionary
