Definitions for "Craquelure"
This is the term used to designate the tiny cracks and fine lines covering the surface of old paintings. The shrinking and movement of the ground and painting surface cause Craquelure. It is also a combinations of techniques designed to create a faux effect.
The fine network of cracks that can develop in the paint surface when it dries, contracts, or reacts to the movement of the picture support.
(French, crackle)