noun
dry brush; drybrush
A brush technique in East Asian ink painting and calligraphy where the brush is relatively dry, producing a streaky, blurred, or textured effect.
山水画では、岩の質感を出すために渇筆がよく使われる。
In landscape painting, dry brush is often used to express the texture of rocks.
この書の線は渇筆の効果でかすれている。
The lines in this calligraphy are blurred due to the dry-brush effect.