polyurethane

views updated May 21 2018

pol·y·u·re·thane / ˌpäliˈyoōrəˌ[unvoicedth]ān/ • n. a synthetic resin in which the polymer units are linked by urethane groups, used chiefly as constituents of paints, varnishes, adhesives, and foams.• v. [tr.] [usu. as adj.] (polyurethaned) coat or protect with paint or varnish of this kind.