any of a class of substances belonging to the family of organic polymers, prepared by heating urea and formaldehyde in the presence of mild ... [1 related articles]
[n] - a clear thermosetting resin made from urea and formaldehyde and used in electrical fittings, adhesives, and finishes
A thermosetting product of condensation from urea or thio-urea and formaldehyde, soluble in water and used as a sand binder in core and mold compounds.
noun a clear thermosetting resin made from urea and formaldehyde and used in electrical fittings, adhesives, and finishes
any of a group of resins formed by the interaction of urea and formaldehyde under conditions that include heat and pH control: used chiefly in the manufacture of buttons, baking enamels, and for making fabrics wrinkle-resistant.