polymethyl methacrylate


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-meth″əl meth-akґrəl-āt) a thermoplastic acrylic resin formed by polymerization of methyl methacrylate; it is used extensively in medicine and dentistry. Written also polymethylmethacrylate.

Medical dictionary. 2011.

Look at other dictionaries:

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

  • 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 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 — /pɒliˌmɛθəl məˈθækrəleɪt/ (say polee.methuhl muh thakruhlayt) noun → perspex …   Australian English dictionary

  • polymethyl methacrylate — (PMMA) A thermoplastic polymer derived from methylacrylate; transparent solid with excellent optical qualities and weather resistance; typical automotive applications are the lenses of rear lights. Also called Perspex …   Dictionary of automotive terms

  • polymethyl methacrylate — noun a transparent plastic used as a substitute for glass • Hypernyms: ↑acrylic, ↑acrylic resin, ↑acrylate resin • Hyponyms: ↑Lucite, ↑Perspex, ↑Plexiglas, ↑plexiglass …   Useful english dictionary

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

  • methacrylate — A polymer used in toughening rubber. Also see polymethyl methacrylate …   Dictionary of automotive terms

  • Poly(methyl methacrylate) — This article is about the transparent plastic sometimes called acrylic glass. For the glass/plastic laminate often called safety glass , see laminated glass. Poly(methyl methacrylate) …   Wikipedia