Pronunciation: (am"plu-fi-kā'shun),[key] —n. 1. the act of amplifying or the state of being amplified.
2. expansion of a statement, narrative, etc., as for rhetorical purposes: In the revision, the story underwent considerable amplification. 3. a statement, narrative, etc., so expanded: The text of the second edition was an amplification. 4. the matter or substance used to expand an idea, statement, or the like: He added an extra paragraph to his speech as an amplification. 5. Elect.increase in the strength of current, voltage, or power.
6. Genetics.See gene amplification.