noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A picture printed from two halftone photographic plates made with the screen set at different angles, and usually printed in two shades of the same colour or in black and one tint. historical

Etymology

From duo- + -graph.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.