Distortion - Definition

n 1: a change for the worse [syn: distortion, deformation]
2: a shape resulting from distortion [syn: distorted shape,
distortion]
3: an optical phenomenon resulting from the failure of a lens or
mirror to produce a good image [syn: aberration,
distortion, optical aberration]
4: a change (usually undesired) in the waveform of an acoustic
or analog electrical signal; the difference between two
measurements of a signal (as between the input and output
signal); "heavy metal guitar players use vacuum tube
amplifiers to produce extreme distortion"
5: the act of distorting something so it seems to mean something
it was not intended to mean [syn: distortion,
overrefinement, straining, torture, twisting]
6: the mistake of misrepresenting the facts