ウレタン樹じゅ脂しMeanings1nounurethane resinA synthetic resin used in paints, adhesives, foams, and coatings. Often encountered in industrial and DIY contexts.See also: ポリウレタンこの塗と料りょうにはウレタン樹じゅ脂しが含ふくまれています。This paint contains urethane resin.