The act of amplifying or enlarging in dimensions; enlargement; extension.
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.
The matter by which a statement is amplified; as, the subject was presented without amplifications.
Act of extending thoughts or statements to increase rhetorical effect
Episode of Criminal Minds (S4 E24)
Amplification in Spanish is Amplificación