an art movement early in the 20th century; the artist's subjective expression of inner experiences was emphasized; an inner feeling was expressed through a distorted rendition of reality
the action of perverting something (turning it to a wrong use); "it was a perversion of justice"
an aberrant sexual practice that is preferred to normal intercourse
a curve that reverses the direction of something; "the tendrils of the plant exhibited perversion"; "perversion also shows up in kinky telephone cords"
the act of distorting something so it seems to mean something it was not intended to mean
a change for the worse
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"