reverberation

noun
UK /rɪˌvɜː.bəˈreɪ.ʃən/
US /rɪˌvɝː.bəˈreɪ.ʃən/

A reverberation is a sound that bounces back and keeps echoing.

The loud bang had a long reverberation in the empty hall.


OTHER MEANINGS

2. A wide and continuing effect or influence from an event.

The reverberations of the decision were felt for years.

3. The act of a sound bouncing repeatedly off surfaces.

The cave's reverberation made every whisper sound huge.

4. A series of indirect results caused by something.

The reverberation of the scandal reached the whole company.