siderographic

== English == === Etymology === From siderography +‎ -ic. === Adjective === siderographic (comparative more siderographic, superlative most siderographic) Of or relating to siderography; executed by engraved plates of steel. === References === “siderographic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.