S: (n) replication ((law) a pleading made by a plaintiff in reply to the defendant's plea or answer)
S: (n) echo, reverberation, sound reflection, replication (the repetition of a sound resulting from reflection of the sound waves) "she could hear echoes of her own footsteps"
S: (n) replica, replication, reproduction (copy that is not the original; something that has been copied)
S: (n) replication (the repetition of an experiment in order to test the validity of its conclusion) "scientists will not believe an experimental result until they have seen at least one replication"