thermosetting

adjective
ther·​mo·​set·​ting | \ ˈthər-mō-ˌse-tiŋ \

Definition of thermosetting 

: capable of becoming permanently rigid when heated or cured a thermosetting resin — compare thermoplastic

First Known Use of thermosetting

circa 1931, in the meaning defined above

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The first known use of thermosetting was circa 1931

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More Definitions for thermosetting

thermosetting

adjective
ther·​mo·​set·​ting | \ -ˌset-iŋ \

Medical Definition of thermosetting 

: capable of becoming permanently rigid when heated or cured a thermosetting resin

More from Merriam-Webster on thermosetting

Nglish: Translation of thermosetting for Spanish Speakers

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