cross direction
The direction of a machine-made paper, which is at
right angles to the MACHINE DIRECTION ,
i.e., the direction across the direction in which
the web travels. The cross direction of paper
generally has less strength and folding endurance
than the machine direction, although, in some
papers, after aging, the opposite may be true. The
cross direction has greater tearing resistance,
and paper also expands more in the cross than in
the machine direction when the moisture content of
the paper increases. See also: AGAINST THE GRAIN ;ANISOTROPIC BEHAVIOR .
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