1) Engraving 
• (n.) A process similar to etching, in which, by means of voltaic electricity, a raised copy of a drawing is made, so that it can be used to print from.
Gly·phog'ra·phy noun [ Greek ... to engrave + -graphy .] A process similar to etching, in which, by means of voltaic electricity, a raised copy of a drawing is made, so that it can be used to print from. 
glyphography An electrotype process by which a copy of an engraved plate is obtained with a raised surface, suited for letter-press printing.