Noun
1. the act of making copies;
"Gutenberg's reproduction of holy texts was far more efficient"2. (genetics) the process whereby DNA makes a copy of itself before cell division
3. a quick reply to a question or remark (especially a witty or critical one);
"it brought a sharp rejoinder from the teacher"4. (law) a pleading made by a plaintiff in reply to the defendant's plea or answer
5. the persistence of a sound after its source has stopped
6. copy that is not the original; something that has been copied
7. 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"