detuning

noun
  1. the act or process of adjusting a musical instrument so that it is no longer in tune
  2. in physics and engineering, the process of shifting a system away from its optimal or resonant frequency
  3. Usage: technical
verb
  1. present participle of detune; to put a musical instrument out of tune
  2. present participle of detune; to adjust a system away from its optimal frequency or performance state
  3. Usage: technical

Examples