D defs.my
Entry 1 sense Webster, 1913

Reverberation

/rēv-ẽrbˌ-ẽr-āsh'-ən/ · Re·ver·ber·a·tion · IPA /ɹiˈvɜː(ɹ)bəɹeɪʃən/
01 n. The act of reverberating; especially, the act of reflecting light or heat, or reechoing sound; as, the reverberation of rays from a mirror;…
  1. 1.
    The act of reverberating; especially, the act of reflecting light or heat, or reechoing sound; as, the reverberation of rays from a mirror; the reverberation of rays from a mirror; the reverberation of voices; the reverberation of heat or flame in a furnace.