crackle(redirected from Coarse Crackles)
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1. intentional crazing in the glaze of a piece of porcelain or pottery
2. porcelain or pottery so decorated
a network of fine cracks on the glazed surface of ceramic goods. Crackle is created for ornamental effect, using the difference in the expansion coefficients of the crock and the glaze during firing.
In painting, a paint or lacquer designed to develop a network of fine cracks when applied over a softer undercoat.