noun, noun or participle which takes 'suru', transitive verb
detuning
Refers to intentionally reducing performance or output, often for safety, regulation compliance, or reliability. Used for engines, musical instruments, and electronic devices.
レース用のエンジンを公道向けにデチューンする。
They detune the racing engine for street use.
このギターはわざとデチューンしてある。
This guitar is intentionally detuned.
Borrowed from English 'detune', with the prefix 'de-' indicating reversal or reduction, and 'tune'.