Siderography refers to the art of engraving on metal, or the process of producing prints from such engravings. Synonyms for this term include metal engraving, metal etching, metal printing, and metal lithography. Each of these terms refers to a specific aspect of the process of creating artworks or prints by engraving images on metal plates or other surfaces. Siderography is commonly used in the production of stamps, currency, and other printed materials. These synonyms offer a range of ways to describe the complex and precise process of creating art or prints through the use of metal engravings.