derangement

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derangement

[di′rānj·mənt]
(mathematics)
A permutation of a finite set of elements that carries no element of the set into itself.
References in periodicals archive ?
Puisque le bruit derange certains, une question s'impose?
The figures sweetly derange any straightforward political program by invoking various others: They become hoboes representing those dispossessed by Operation Freedom as well as America's own homeless.
Now researchers from the Milan University Medical School in Italy report in the April 21 NEW ENGLAND JOURNAL OF MEDICINE that the disease may be caused by a derange dimmune system.