The term SKILLET MATERIAL can be solved by the 4-letter word IRON. IRON is a chemical element that is found in nature and is used to make a variety of products, including skillets. It is a strong, durable metal that is resistant to corrosion and rusting, making it an ideal material for cookware. IRON is also a common component in many alloys, which are used to create a variety of items, such as tools and machinery.