Open English Wordnet
Nouns
(n)reproduction, replicationthe act of making copies“Gutenberg's reproduction of holy texts was far more efficient”
(n)echo, reverberation, sound reflection, replicationthe repetition of a sound resulting from reflection of the sound waves“she could hear echoes of her own footsteps”
(n)replicationthe 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”