pol‧y‧es‧ter /ˈpɒliestə, ˌpɒliˈestə◂ $ ˈpɑːliestər/
noun [uncountable][
Date: 1900-2000;
Origin: poly- + ester type of chemical compound (19-21 centuries) (from German essigäther 'acid ether')]
an artificial material used to make cloth:
a blue polyester shirt [TahlilGaran] Dictionary of Contemporary English ▲