epoxy resin

noun

Synonyms of epoxy resinnext
: a flexible usually thermosetting resin made by copolymerization of an epoxide with another compound having two hydroxyl groups and used chiefly in coatings and adhesives

called also epoxy

Examples of epoxy resin in a Sentence

Recent Examples on the Web
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Most modern wind turbine blades are made from fiberglass composites, which combine glass fibers with epoxy resin. Sujita Sinha, Interesting Engineering, 17 Aug. 2026 The real toxicity concern, per The New Republic‘s review of contractor materials, confirming previous reporting from Meidas News, lies in the epoxy resin used for the pool’s new lining, which carries explicit long-term aquatic toxicity warnings. Nick Lichtenberg, Fortune, 2 July 2026 As with the Apollo spacecraft, Orion’s heat shield is made principally of a material known as Avcoat, a combination of epoxy resin and silica fibers, designed to absorb the fires of reentry and slowly burn off, or ablate, carrying the reentry heat away from the capsule and crew. Jeffrey Kluger, Time, 11 Apr. 2026 Van Hassel explained how their cores hardly ever get pressure dings, while the epoxy resin used by Swellcycle is 30% biobased. Molly McCrea, CBS News, 5 Dec. 2025 See All Example Sentences for epoxy resin

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of epoxy resin was in 1950

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Cite this Entry

“Epoxy resin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epoxy%20resin. Accessed 20 Aug. 2026.

Kids Definition

epoxy resin

noun
: a synthetic resin used chiefly in coatings and adhesives

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