deviation

noun

1.
a variation that deviates from the standard or norm
offsplit offstand wander departure difference divergence
Derived from:
deviate
2.
the difference between an observed value and the expected value of a variable or function
Derived from:
deviate
3.
the error of a compass due to local magnetic disturbances
Derived from:
deviate
4.
deviate behavior
deviance
Derived from:
deviate
5.
a turning aside (of your course or attention or concern)
deflection deflexion digression divagation diversion
Derived from:
deviate