Photo-gravure is a process of printing characterized by using a photographic image printed onto a copper plate which is later etched and used for printing photographs. Some synonyms for photo-gravure include intaglio, copperplate engraving, steel engraving, and photogravure. These synonyms are often used interchangeably depending on the specific technique or materials used to create the image. In modern times, the digital era has led to a decline in the use of photo-gravure, but it still remains a preferred method in many artistic circles, especially for fine art prints and high-quality reproductions. Overall, photo-gravure and its many synonyms provide an essential artistic tool for creating beautiful, high-quality prints with photographic images.