polistiren التعريفات والمعاني == Romanian == === Etymology === Borrowed from French polystyrène. By surface analysis, poli- + stiren. === Noun === polistiren m (plural polistireni) polystyrene ==== Declension ==== شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة polistirene polistirena polistirenico polistireni polistirolo polietileno Polistena poliestireno Polistinae