- noun an allowable variation in something which can be measured
- The maximum permissible deviation, error, or other variation in a property, value, setting, dimension, or the like. For instance, distortion tolerance, frequency tolerance, the greatest allowable error in a reading displayed by a measurement instrument, or the maximum fluctuations in the voltage supplied by an AC power line which do not impair the function of fed devices or equipment.
- The tolerance (1) relative to a given nominal, standard, or desired value.
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