Definition of 作動音 (さどうおん)
さどうおん
                        作動音
さどうおん
sadouon
noun
•
        
sound of operation, operation noise, running noise
Related Kanji
| 作 | make, production, prepare, build | 
| 動 | move, motion, change, confusion, shift, shake | 
| 音 | sound, noise |