polystyrene

Definition

A vinylic polymer of styrene, CH₂CHphenyl.

Etymology

From poly- + styrene.

Example Sentences

• "It was 30 times lighter and more flexible than the polystyrene that had previously been used."
• "Gerri (Gemma Arterton): Well, he might not be begging. He might be waiting for somebody. / Tom: Of course he's begging. He's got a polystyrene cup in front of him."