Definition of thermosetting in English:

thermosetting

adjective

Chemistry
  • Denoting substances (especially synthetic resins) which set permanently when heated.

    Often contrasted with thermoplastic
    • ‘‘We developed an aromatic thermosetting polymer for use as an insulating material in copper chip technology,’ said James Economy, a professor of materials science and engineering at Illinois.’
    • ‘The methanal can then be used in the manufacture of thermosetting plastics.’
    • ‘After polymerisation using heat, light, radiation, or catalysis a range of strong thermosetting plastics can be produced.’
    • ‘Made from fiberglass reinforcements and thermosetting polyester, the products come in many shapes and are corrosion resistant, strong, lightweight, and dimensionally stable, the manufacturer says.’
    • ‘He called this material Bakelite - after himself - and it was the first thermosetting plastic in the world.’

Pronunciation:

thermosetting

/ˈθəːməʊsɛtɪŋ/