Enameling is a technique of applying a molten glass coating to metal. It is usually used to protect and beautify surfaces such as ceramics and metal utensils. The enameling technique results in a surface that is smooth, strong and resistant to abrasion and corrosion.
An enameled cookware is a type of cookware made using enameling technology, usually made of cast iron or steel, which is then coated with an enamel layer. This enamel coating provides the cookware with heat equalization, heat resistance, corrosion resistance, and anti-stick properties. The appearance of enamel cookware usually presents a rich selection of colors and is also easy to clean due to its smooth surface.
To summarize, enameling is a coating technology and an enamel pan is a cookware that uses enameling technology. The enameling technology makes enamel pans wear-resistant, corrosion-resistant, non-stick and heat-resistant. Hope this answer can help you.