English noun: polystyrene | |||
1. | polystyrene (substance) a polymer of styrene; a rigid transparent thermoplastic | ||
Samples | Expanded polystyrene looks like a rigid white foam and is used as packing or insulation. | ||
Broader (hypernym) | cinnamene, phenylethylene, styrene, vinylbenzene | ||
Narrower (hyponym) | Styrofoam | ||