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Medical Definition of Methacrylate resin
1. Polymerised methacrylic acid;a translucent plastic material, used for the manufacture of various medical appliances, surgical instruments, and seating components used in total joint replacement; it possesses the optical properties of fused quartz, and is readily molded when heated; formerly used in electron microscopy for embedding tissues, now superseded by epoxy resin's. (05 Mar 2000)