thermoplastic

[ thur-muh-plas-tik ]
/ ˌθɜr məˈplæs tɪk /

adjective

soft and pliable when heated, as some plastics, without any change of the inherent properties.

noun

a plastic of this type.

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Origin of thermoplastic

First recorded in 1880–85; thermo- + plastic

OTHER WORDS FROM thermoplastic

ther·mo·plas·tic·i·ty [thur-moh-pla-stis-i-tee], /ˌθɜr moʊ plæˈstɪs ɪ ti/, nounnon·ther·mo·plas·tic, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for thermoplastic

thermoplastic
/ (ˌθɜːməʊˈplæstɪk) /

adjective

(of a material, esp a synthetic plastic or resin) becoming soft when heated and rehardening on cooling without appreciable change of propertiesCompare thermosetting

noun

a synthetic plastic or resin, such as polystyrene, with these properties

Derived forms of thermoplastic

thermoplasticity (ˌθɜːməʊplæˈstɪsɪtɪ), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for thermoplastic

thermoplastic
[ thûr′mə-plăstĭk ]

Of or relating to a compound that can be repeatedly made soft and hard through heating and cooling. Polyethylene and polystyrene are thermoplastic resins. Compare thermosetting.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.