photoengraving
photomechanical process that uses photography to create a relief engraving on a sensitized zinc or copper plate, from which the original can be reproduced through letterpress printing
en-US/ˌfoʊtoʊɛnˈɡɹeɪvɪŋ/
en-GB/fəʊtəʊɛnɡɹeɪvɪŋ/
photomechanical process that uses photography to create a relief engraving on a sensitized zinc or copper plate, from which the original can be reproduced through letterpress printing