Q: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
A thermosetting polymer , resin , or plastic , often called a thermoset , is a polymer that is irreversibly hardened by curing from a soft solid or viscous liquid prepolymer or resin .
A:
A thermosetting plastic , also known as a thermoset , is polymer material that irreversibly cures .