what is a polyether
Definition of POLYETHER. : any of a group of polymers in which the repeating unit contains a carbon-oxygen bond derived especially from an aldehyde or an epoxide and which are used especially in the manufacture of plastic foams.ADVERTISEMENT. poly- + ether.First Known Use: 1922. any of a group of polymers in which the repeating unit contains a carbon-oxygen bond derived especially from an aldehyde or an epoxide and which are used especially in the manufacture of plastic foams. ADVERTISEMENT.