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distortion

1. n. [Geophysics]

The inability of a system to exactly match input and output, a general example being an electronic amplifier and the classic example being a home stereophonic amplifier.

Synonyms: amplitude distortion

See: biasdispersiondynamic rangeharmonic distortionzero-phase

2. n. [Geophysics]

A change in a waveform that is generally undesirable, such as in seismic waves.

See: seismic wave

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