meaning of amplification
1. The act of amplifying or enlarging in dimensions; enlargement; extension.
2. The enlarging of a simple statement by particularity of description, the use of epithets, etc. , for rhetorical effect; diffuse narrative or description, or a dilating upon all the particulars of a subject.
3. The matter by which a statement is amplified; as, the subject was presented without amplifications.
4. electronics the act of increasing voltage or power or current