The term REFINE, AS METAL can be solved by the crossword solution SMELT, which is a five letter word. Smelting is a process used to extract a metal from its ore. It involves heating the ore to a high temperature and then cooling it to separate the metal from other elements. The smelting process also removes impurities from the metal, resulting in a purer form of the metal. This process is known as refining, and is often used to refine metals such as iron, copper, and gold.