Styrofoam
sty·ro·foam
noun
1.
a light resilient foam of polystyrene
Origin
Genericized trademark of Styrofoam, from -styr- (from polystyrene) + -o- + foam.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.