1. (

• distortion ,
• deformation

) a change for the worse ;

2. (

• distorted_shape ,
• distortion

) a shape resulting from distortion ;

3. (

• aberration ,
• distortion ,
• optical_aberration

) an optical phenomenon resulting from the failure of a lens or mirror to produce a good image ;

4. (

• distortion ,

) 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. (

• distortion ,
• overrefinement ,
• straining ,
• torture ,
• twisting

) the act of distorting something so it seems to mean something it was not intended to mean ;

6. (

• distortion ,

) the mistake of misrepresenting the facts ;