1) Painting technique
Found on
https://www.crosswordclues.com/clue/underdrawing
Underdrawing is the drawing done on a painting ground before paint is applied, for example, an imprimatura or an underpainting. Underdrawing was used extensively by 15th century painters like Jan van Eyck and Rogier van der Weyden. These artists `underdrew` with a brush, using hatching strokes for shading, using water-based black paint, before u.....
Found on
http://en.wikipedia.org/wiki/Underdrawing
No exact match found.
