expanded plastic


: lightweight cellular plastic used especially as insulation and protective packing material

called also foamed plastic, plastic foam

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of expanded plastic was in 1945

Dictionary Entries Near expanded plastic

Cite this Entry

“Expanded plastic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expanded%20plastic. Accessed 28 May. 2024.

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