any one of a class of rigid odourless synthetic materials that are made from urea and formaldehyde and are used in electrical fittings, adhesives, laminates, and finishes for textiles
urea-formaldehyde resin in American English
(juˈriəfɔrˈmældəˌhaɪd; ˈjʊriəfɔrˈmældəˌhaɪd)
any of a class of strong, odorless, thermosetting resins formed by condensing urea and formaldehyde in the presence of a catalyst: used in making buttons, tableware, etc.