: any of a group of polymers in which the repeating unit contains a carbon-oxygen bond derived especially from an aldehyde or an epoxide and which are used especially in the manufacture of plastic foams

Word History


poly- + ether

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of polyether was in 1922

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Dictionary Entries Near polyether

Cite this Entry

“Polyether.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyether. Accessed 23 Apr. 2024.

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