thermosetting
adjective
ther·mo·set·ting
ˈthər-mō-ˌse-tiŋ 
: capable of becoming permanently rigid when heated or cured
a thermosetting resin
compare thermoplastic
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“Thermosetting.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermosetting. Accessed 4 Jul. 2025.
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thermosetting
adjective
ther·mo·set·ting
-ˌset-iŋ
: capable of becoming permanently rigid when heated or cured
a thermosetting resin
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