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English definition of “amplify”

amplify

verb [T]  /ˈæm·pləˌfɑɪ/ us  
to increase the strength of a sound; make louder: Electric guitars are amplified through loudspeakers. To amplify is also to add to the information given in something: This study amplifies earlier research.
amplification
noun [C/U]  /ˌæm·plə·fɪˈkeɪ·ʃən/ us  
[U] sound amplification
(Definition of amplify from the Cambridge Academic Content Dictionary © Cambridge University Press)
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