a polymeric electrolyte of high molecular weight that releases either positive or negative ions in solution, used to coagulate and precipitate pollutants and cause them to settle
See polyelectrolyte in American Heritage Dictionary 4
(pŏlˌē-ĭ-lĕkˈtrə-lītˌ)
noun
An electrolyte, such as a protein or polysaccharide, having a high molecular weight.