crazing
1. Fine cracks in an adhesive which may extend in
a network on or under the surface or through a
layer. It is caused by excessive shrinkage
characteristics of the adhesive film, too rapid
drying of the adhesive, or by flexing of a brittle
adhesive. 2. The process by which yellow or
transparent parchments often become whiter and
more opaque when folded, producing irregular and
disfiguring effects at the joints of vellum
bindings. (291 , 309 )
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