The term SMELTERY INPUT refers to the materials that are used as inputs in a smeltery. These materials include Ores (4 letters), ORE (3 letters) and Ironore (7 letters). Ores are naturally occurring rocks or minerals from which a valuable constituent, such as a metal, can be extracted. ORE is a type of rock that contains minerals with important elements including metals. Ironore is a type of ORE that contains iron. All of these materials are used as inputs in a smeltery to produce a desired output.