detune

Etymology
.

Verb

 * 1)  To intentionally lower or raise the pitch produced by a musical instrument. Often done to produce sounds not normally possible, or in the case of stringed instruments to reduce tension for the purposes of shipping or maintenance.
 * Some avant-garde composers request that performers detune their instruments before playing.
 * 1)  To alter the resonant frequency of a tuned system so that it is slightly different from a specified target frequency.
 * 1)  To alter the resonant frequency of a tuned system so that it is slightly different from a specified target frequency.

Translations

 * Bulgarian: