amplification
https://gyazo.com/856145133f6c0d7511914ccc60d63020
source: Amplification - An Input Signal is Amplified by an Operational Amplifier | IamTechnical.com
noun
1. the process of increasing the volume of sound, especially using an amplifier:
拡大, 拡張, (音量の)増大; 〘電〙 増幅; 倍率.
e.g. even without amplification, her voice carries to the farthest corners.
the action of increasing the amplitude of an electrical signal or other oscillation:
e.g. the amplification of radio signals is possible.
the action of making something more marked or intense:
e.g. you're an actor in that you are using emotion and amplification of ideas to make your point.
2. the action of enlarging upon or adding detail to a story or statement:
(話の)拡充, 敷衍（ふえん）; 敷衍された物語.
e.g. the words 'no real prospect of succeeding' do not need any amplification
e.g. thanks to all who wrote in with corrections and amplifications.
3. Genetics the action of making multiple copies of a gene or DNA sequence:
e.g. a technique known as random amplification of polymorphic DNA
e.g. sequences were obtained from multiple amplifications from individual samples.