pol ‧ y ‧ pro ‧ py ‧ lene /ˌpɒlɪˈprəʊpəliːn, ˌpɒlɪˈprəʊpɪliːn $ ˌpɑːliˈproʊ-/ BrE AmE noun [uncountable]
[ Date: 1900-2000 ; Origin: poly- + propylene type of gas (19-21 centuries) ]
a hard light plastic material
pol ‧ y ‧ pro ‧ py ‧ lene /ˌpɒlɪˈprəʊpəliːn, ˌpɒlɪˈprəʊpɪliːn $ ˌpɑːliˈproʊ-/ BrE AmE noun [uncountable]
[ Date: 1900-2000 ; Origin: poly- + propylene type of gas (19-21 centuries) ]
a hard light plastic material
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012