chemitype
/ˈkɛmɪtʌɪp/Printing. Now historical
noun
An illustration, map, or other design printed from a plate prepared by a chemical process, especially a zinc-etching process.
- The method devised by C. Piil of Copenhagen consisted in filling the engraved or etched lines on a wax-coated zinc plate with another metal, and then eating away the zinc surface with acid so as to leave the other metal standing in relief..
Origin
Mid 19th century; earliest use found in Art-Union Journal. From chemi- + -type, after German Chemitypie, denoting both the print and the process. Compare chemio-, variant of chemo- and slightly later chemigraphy.