— polyesterification /pol'ee es'teuhr euh fi kay"sheuhn/ , n.
/pol"ee es'teuhr, pol'ee es"teuhr/ , n.
1. Chem. a polymer in which the monomer units are linked together by the group -COO-, usually formed by polymerizing a polyhydric alcohol with a polybasic acid: used chiefly in the manufacture of resins, plastics, and textile fibers.
2. Also called poly . a fabric made from such textile fibers.
[ 1925-30; POLY- + ESTER ]