Dictionary Check: thermoplastic

"thermoplastic" is a valid word!

Scrabble 22 points
Words with Friends 25 points

Definition

adjective

having the property of softening or fusing when heated and of hardening and becoming rigid again when cooled

Example: "thermoplastic materials can be remelted and cooled time after time without undergoing any appreciable chemical change"
Antonyms:
noun

a material that softens when heated and hardens again when cooled

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