duotype

[ doo-uh-tahyp, dyoo- ]
/ ˈdu əˌtaɪp, ˈdyu- /

noun Printing.

two halftone plates made from a monochrome original but etched differently to create two values of intensity when superimposed in printing.

Origin of duotype

First recorded in 1910–15; duo- + -type

Words nearby duotype