amplification

/ˌæmplɪfɪˈkeɪʃən/
noun
  1. The act or process of making something louder, stronger, or larger, especially sound or electrical signals.
    • The engineer adjusted the amplification to reduce feedback from the microphone.
    • The amplification from the speakers made the music fill the entire stadium.
    • Without proper amplification, the singer's voice was too quiet for the large hall.
  2. The act of adding more detail or information to make something clearer or more complete.
    • His speech needed amplification to explain the complex policy changes.
    • The report provided amplification of the key points from the meeting.
    • The teacher asked for amplification of the student's answer to include more examples.
  3. The increase in the amount or effect of something, such as a biological process or a chemical reaction.
    • The amplification of the signal allowed the scientists to detect the faintest traces.
    • Hormonal amplification can cause a small initial signal to produce a large response in the body.
    • PCR is a technique used for the amplification of DNA samples in the lab.
Antonyms
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