Noun
craquelure (countable and uncountable, plural craquelures)
(art) The distinctive pattern of hairline cracks in the surface of an old painting
The matter found in the craquelure appeared to come from India ink, which had accumulated even in areas that natural dirt or dust would never have reached. Source: Internet
The commission's other findings suggested that the dust in the craquelure was too homogeneous to be of natural origin. Source: Internet
The craquelure on the surface did not always match that in the ground layer, which would certainly have been the case with a natural craquelure. Source: Internet