Distortion (mathematics) definition

noun

(1) The mistake of misrepresenting the facts

(2) The act of distorting something so it seems to mean something it was not intended to mean

(3) A change for the worse

(4) An optical phenomenon resulting from the failure of a lens or mirror to produce a good image

(5) 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"

(6) A shape resulting from distortion