thermoplastic

/ˌˈθʌrmoʊˌplæstɪk/

Other forms: thermoplastics

Definitions of thermoplastic

1. adjective

   having the property of softening or fusing when heated and of hardening and becoming rigid again when cooled
   “thermoplastic materials can be remelted and cooled time after time without undergoing any appreciable chemical change”

   antonyms:

   thermosetting

   having the property of becoming permanently hard and rigid when heated or cured
2. noun

   a material that softens when heated and hardens again when cooled
   synonyms: thermoplastic resin

   types:

   saran

   any of various thermoplastic resins used to make things

   celluloid

   highly flammable substance made from cellulose nitrate and camphor; used in e.g. motion-picture and X-ray film; its use has decreased with the development of nonflammable thermoplastics

   type of:

   plastic

   generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives