What does impasto mean in art?

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Tags

1. #knife
2. #right
3. #paint
4. #technique
5. #enough
6. #texture
7. #brush
8. #visible
9. #thick
10. #canvas
11. #surface
12. #coming
13. #painting
14. #appears
15. #mixed
16. #provides
17. #strokes
18. #impasto
19. #usually
20. #layers
21. #where