Definition of thermoplastic in English:

thermoplastic

adjective

Chemistry
  • Denoting substances (especially synthetic resins) that become plastic on heating and harden on cooling, and are able to repeat these processes.

    Often contrasted with thermosetting
    • ‘‘Think of it as thermoplastic rubber that is recyclable and processes like plastic,’ he says.’
    • ‘Hot-bar and impulse welding processes are commonly used in the packaging industry to seal plastic bags and join thermoplastic films of 0.5 mm or less.’
    • ‘A couple of companies introduced new lines of thermoplastic materials suited for medical applications.’
    • ‘Made of a gelatinous thermoplastic material, the product acts like a solid adhesive and will not dry out.’
    • ‘It is a thermoplastic material which gets softer with heating and hardens when cooled.’

noun

usually thermoplastics
Chemistry
  • A thermoplastic substance.

    • ‘There are three classes of polymers - thermoplastics, thermosets, and elastomers.’
    • ‘Independent custom molders, who made marketable parts and products, experimented in the 1930s with injection molding of thermoplastics, which eventually almost replaced compression molding of thermoset resins.’
    • ‘Other scientists made various plaster derivatives, artificial silks, and thermoplastics.’
    • ‘Many of these are used as thermoplastics that are shaped and processed by means of injection molding and extrusion.’
    • ‘Manufacturers can currently choose from either thermoset plastics or thermoplastics.’

Pronunciation:

thermoplastic

/θəːməʊˈplastɪk/