👉 Underglaze is a type of glazing that involves painting the surface of a piece of glass or other transparent material to create a pattern, design, or texture. It is often used in decorative applications such as window frames and mirrors. In this context, "underglaze" refers to the process of applying paint to the surface of a glass or other transparent material to create a textured effect, typically by using a technique known as underglazing or underglaze glazing. This can be
