aquatint
/ˈækwətɪnt/Definitions
1. noun
A printmaking technique that involves applying a waxy coating to a design on a copper plate, exposing it to light, and then using acid to etch the design into the plate.
“The artist used aquatint to create the detailed, gradient-like shading in her etchings.”
2. verb
To create a design for printing using the aquatint technique.
“She aquatinted the copper plate with a pattern of flowers and leaves.”