Definition of Polystyrene

  • (noun) a polymer of styrene; a rigid transparent thermoplastic; "expanded polystyrene looks like a rigid white foam and is used as packing or insulation"

Synonyms of Polystyrene


No Antonyms Found.

Antonyms of Polystyrene


No Antonyms Found.

Homophones of Polystyrene


No Antonyms Found.



Common English words

A list of the most frequently used words in the English languge.

Longest English Words

Longest words in the Oxford Dictionary.