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    Amplifier

    /ˈæmplɪfaɪər/

    Meaning & Definition

    noun
    An electronic device that increases the power, voltage, or current of a signal.
    The musician used a guitar amplifier to boost the sound during the live performance.
    A component in a sound system that boosts audio signals.
    The home theater system features a high-quality amplifier for enhanced audio experience.
    A device that makes something larger or more intense.
    The marketing campaign served as an amplifier for the brand's message.

    Etymology

    From the Latin 'amplificare', meaning to increase or enlarge.

    Common Phrases and Expressions

    audio amplifier:
    A device specifically designed for amplifying audio signals.
    power amplifier:
    An amplifier that increases the power of a signal, often used in audio applications.
    signal amplifier:
    A device that enhances the amplitude of signals in various electronics.

    Related Words

    volume
    The level of sound or audio output.
    signal
    A transmission of data or information used in communication.
    transistor
    A semiconductor device used to amplify or switch electronic signals.

    Slang Meanings

    Amp
    He cranked up the amp for the concert.
    Boost
    We need to give this track a boost with an amplifier.