It's a distortion caused by something else that is there.

The physical process of moving sound through wires can also cause distortion.

Much of the aid can be better understood when considering the economic distortions caused by the war.

"I don't have any personality disorders that would cause distortion of reality."

Cross term may cause noise and distortion to signal analysis.

It turns out that any distortion caused by the atmosphere would actually make the moon look a little smaller.

Any temperature differences between mirror surface and night air, no matter how slight, could cause distortion.

"But you don't want to do it too long, because it can cause distortions."

It's less prone to distortions caused by mortgages and the housing market.

In part, stagnation resulted from distortions caused by the strategy.