Definition of signal-to-noise ratio noun from the Oxford Advanced American Dictionary

     

    signal-to-noise ratio

     noun
    noun
     
     
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  1. 1(technology) the strength of an electronic signal that you want to receive, compared to the strength of the signals that you do not want
  2. 2a measure of how much useful information you receive, compared to information which is not useful
See the Oxford Advanced Learner's Dictionary entry: signal-to-noise ratio