(in combination) Any of various polymers whose respective monomer is a methyl derivative; Any of various compounds having many methyl groups
See Also: polymethylene

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  • Polyméthyl méthacrylate — Polyméthacrylate de méthyle Polyméthacrylate de méthyle Structure du PMMA : (C5O2H8)n Général N …   Wikipédia en Français

  • polymethyl acrylate — noun A polymer of methyl acrylate, used as a resin in lacquers etc See Also: polymethyl methacrylate …   Wiktionary

  • polymethyl — poly·methyl …   English syllables

  • polymethyl — …   Useful english dictionary

  • polymethyl methacrylate — noun Date: 1936 a thermoplastic resin of polymerized methyl methacrylate which is characterized by its optical clarity …   New Collegiate Dictionary

  • polymethyl methacrylate — /pol ee meth euhl/, Chem. polymerized methyl methacrylate. [1930 35; POLY + METHYL] * * * …   Universalium

  • polymethyl methyacrylate — noun A tough, transparent thermoplastic polymer of methyl methyacrylate; it is used as a substitute for glass under the proprietary names of Perspex, Plexiglass and Lucite …   Wiktionary

  • polymethyl methacrylate — noun A thermoplastic transparent plastic manufactured by the polymerization of methyl methacrylate, often used in place of glass it being lighter, softer and not shattering on impact …   Wiktionary

  • polymethyl methacrylate — poly·meth·yl methacrylate päl i .meth əl n a thermoplastic resin of polymerized methyl methacrylate that is used esp. in hard contact lenses and in prostheses to replace bone * * * (PMMA) poly·meth·yl meth·ac·ryl·ate (PMMA) (pol″e… …   Medical dictionary

  • polymethyl methacrylate — /pɒliˌmɛθəl məˈθækrəleɪt/ (say polee.methuhl muh thakruhlayt) noun → perspex …  

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