Distortion

To distort is to change the shape of something. Distortion may refer to:

Distortion (signal processing) (picture), part of signal processing
Distortion in electrical signal
Distortion, a type of musical effect that can be controlled using an effect pedal
Distortion (economics), a state where the agent does not maximize its profit or utility
Cognitive distortion, irrational thought patterns
In statistics, the bias of an estimator is sometimes called distortion
In medicine, a Strain (injury) is called distortion