n. a thermoplastic polymer of styrene, usu. hard and colourless or expanded with a gas to produce a lightweight rigid white substance, used for insulation and in packaging.

Useful english dictionary. 2012.

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  • polystyrène — [ pɔlistirɛn ] n. m. • 1936; de poly et styrène ♦ Matière plastique obtenue par polymérisation du styrène. Panneau isolant en polystyrène expansé. ● polystyrène nom masculin Polymère du styrène, de formule générale . polystyrène n. m. CHIM… …   Encyclopédie Universelle

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  • polystyrene — UK US /ˌpɒlɪˈstaɪriːn/ noun [U] (US also Styrofoam™) ► a light usually white plastic used especially for protecting delicate objects inside containers from damage, or for protecting something from losing heat: »Every year more than six billion… …   Financial and business terms

  • polystyrene — (n.) 1927, so called because it is a POLYMER (Cf. polymer) of STYRENE (Cf. styrene) …   Etymology dictionary

  • polystyrene — ► NOUN ▪ a synthetic resin which is a polymer of styrene …   English terms dictionary

  • polystyrene — [päl΄i stī′rēn΄] n. a tough, clear, colorless plastic material, a polymer of styrene, used to make chemical apparatus, containers, etc …   English World dictionary

  • Polystyrene — For other uses, see Polystyrene (disambiguation). Expanded polystyrene packaging …   Wikipedia

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  • polystyrene — /pol ee stuy reen, stear een/, n. Chem. a clear plastic or stiff foam, a polymer of styrene, used chiefly as an insulator in refrigerators and air conditioners. [1925 30; POLY + STYRENE] * * * ▪ chemical compound       an important member of the… …   Universalium

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