Reflection of a sound wave (4)
I believe the answer is:
echo
(Other definitions for echo that I've seen before include "repercussion" , "Trace call" , "Languishing nymph" , "Reflect sound" , "E; reverberation" .)
I believe the answer is:
echo
(Other definitions for echo that I've seen before include "repercussion" , "Trace call" , "Languishing nymph" , "Reflect sound" , "E; reverberation" .)