sound reflection

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the repetition of a sound resulting from reflection of the sound waves
- she could hear echoes of her own footsteps
• Syn:
echo, reverberation, replication
• Derivationally related forms:
reverberate (for: reverberation), echo (for: echo)
• Hypernyms:
reflection, reflexion, reflectivity
• Hyponyms:
re-echo