Definition of amplifier in English:


Line breaks: amp¦li|fier
Pronunciation: /ˈamplɪfʌɪə


  • 1An electronic device for increasing the amplitude of electrical signals, used chiefly in sound reproduction.
    More example sentences
    • This makes it suitable for audio applications, including audio amplifiers and preamplifiers, home entertainment system, mixing desks and audio recording equipment.
    • Hearing aids are electronic devices made up of a microphone, an amplifier, a loudspeaker and a battery.
    • The apparatus includes two visual indicators, two amplifiers, and a logic circuit.
  • 1.1A device consisting of an amplifier combined with a loudspeaker and used to increase the volume of the sound produced by electric guitars and other musical instruments.
    More example sentences
    • With the drum cracks, cymbal hits, and nearby guitar and bass amplifiers, my musical career a decade ago was sort of like working in a rifle range.
    • Sometimes the surround sound processor and the amplifier are combined into a surround sound receiver, to save you a little bit of money.
    • Ty plugged his electric guitar into the amplifier on the stage.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody