siderography

== English == === Etymology === From sidero- +‎ -graphy. === Pronunciation === Rhymes: -ɒɡɹəfi === Noun === siderography (uncountable) (historical) A 19th-century process of reproducing steel-engraved designs for printing. The design is engraved on a steel block, then hardened and used to transfer a raised-image version to a steel roller under heavy pressure. The roller is then hardened and used as a die to impress duplicate images on printing plates for transferring to paper by the intaglio method. ==== Derived terms ==== ==== Related terms ==== siderograph siderographer siderographist ==== Translations ====