n.
1.a change for the worse
2.a shape resulting from distortion
3.an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
4.a change (usually undesired) in the waveform of an acoustic or analog electrical signal
5.the act of distorting something so it seems to mean something it was not intended to mean
6.the mistake of misrepresenting the facts
Idiom of the Day
grind to a halt
to slow down and stop (like a machine when it is turned off)
The city ground to a halt when the electric power was off.
