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polyester

/ˈpɑliˌɛstə(r)/ noun B2
  1. Any polymer whose monomers are linked together by ester bonds (countable, uncountable)
  2. A material or fabric made from polyester polymer (countable, uncountable)

Plural polyesters

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Furthermore, synthetic fabrics like polyester can take hundreds of years to fully break down.
The True Cost of a Cheap T-Shirt, p. 1 · B2

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.