pol‧y‧sty‧rene /ˌpɒlɪˈstaɪriːn◂ $ ˌpɑː-/
noun [uncountable][
Date: 1900-2000;
Origin: poly- + styrene type of chemical compound (19-21 centuries) (from Latin styrax type of plant)]
British English a soft light plastic material that prevents heat or cold from passing through it, used especially for making containers
Synonym : Styrofoam [TahlilGaran] Dictionary of Contemporary English ▲