siderography

[ sid-uh-rog-ruh-fee ]
/ ˌsɪd əˈrɒg rə fi /

noun

the art or technique of engraving on steel.
a method of increasing the number of reproductions obtained from a steel engraving by first rolling a soft-steel cylinder over a hardened steel plate and then rolling the hardened cylinder over a soft-steel plate.

Origin of siderography

First recorded in 1810–20; sidero-1 + -graphy

OTHER WORDS FROM siderography

sid·er·og·ra·pher, noun sid·er·o·graph·ic [sid-er-uh-graf-ik] /ˌsɪd ər əˈgræf ɪk/, adjective