cracking
1. A defect in a coated paper caused by the
formation of fissures in the coating layer which
th_en lifts from the base paper during printing,
folding, or some other converting operation.
Cracking is a bothersome and frequently
encountered defect in art papers. 2. Fissures in
the crease of a sheet of Paper when it is folded
or scored. (17 )