单词	polymethyl methacrylate
释义	polymethyl methacrylate /pɒlɪˌmiːθʌɪl mɪˈθakrɪlət / /-ˌmɛθ-/ /-θɪl/ noun [mass noun] A glassy synthetic resin obtained by polymerizing methyl methacrylate.The process uses a polymer formed through a chemical bonding of polystyrene and polymethyl methacrylate.... These materials include fused silica, calcium fluoride, high index glasses, polymethyl methacrylate and amorphous polyolefin polymers, sapphire, silicon, zinc selenide, germanium, and amorphous IR glass. Today, the most commonly used bone cement is an acrylic polymer polymethyl methacrylate.
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