What is the primary function of glazing in ceramics?

The primary function of glazing in ceramics is to provide color and a waterproof finish. Glaze is a vitreous coating applied to ceramic objects, and it undergoes a chemical transformation during the firing process, resulting in a hard, glass-like surface that not only enhances the aesthetic appeal through color and shine but also seals the surface of the clay body. This sealing action creates a barrier that prevents moisture from penetrating the ceramic, making it suitable for functional ware, such as dishes and pots, which require a waterproof surface for practical use.

While creating texture and improving durability are aspects that can be influenced by glazing or other treatments, they are not the main purposes of glaze. Altering the shape is a fundamental aspect of the initial ceramic forming process and not something achieved through glazing. Thus, the focus on color and waterproofing distinctly highlights the essential role of glazing in ceramics.