scratchboard
/ˈskrætʃˌbɔrd/
noun
- A stiff board with a black coating that can be scratched away to reveal a white layer underneath, used for drawing or illustration.
- She prefers scratchboard over pen and ink for its crisp, white lines.
- The artist used a scratchboard to create a detailed illustration of a wolf.
- In art class, we learned how to make textures on a scratchboard using a sharp tool.