Cite
 

Meaning of duotype

du•o•type

Pronunciation: (d'u-tīp", dy'-), [key]
— n. Print.
  1. two halftone plates made from a monochrome original but etched differently to create two values of intensity when superimposed in printing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.