1.VerbTo render larger, more extended, or more intense.
"amplify the loudspeaker; amplify a telescope; amplify a microscope; amplify the message; amplify an image on the screen; amplify the impact of the project"
2.VerbTo enlarge by addition or commenting; to treat copiously by adding particulars, illustrations, etc.; to expand.
3.VerbTo increase the amplitude of something, especially of an electric current.
"amplify a signal"
4.VerbTo add content that is not present in the source text to the target text, usually to improve the fluency of the translation.