amplifier
noun
am·pli·fi·er
ˈam-plə-ˌfī(-ə)r 
: one that amplifies
specifically
: an electronic device (as in a stereo system) for amplifying voltage, current, or power
Examples of amplifier in a Sentence
He plugged his electric guitar into an amplifier.
Recent Examples on the Web
This focuses analogue radio signals from the sky and sends them through a low-noise amplifier that boosts the signal, a bandpass filter that rejects signals outside the frequencies of interest and then through another low-noise amplifier.
—
The Physics Arxiv Blog, Discover Magazine, 14 Nov. 2024
The vestibule door opens like a crypt, releasing the howl of amplifiers.
—Brooks Kubena, The Athletic, 2 Aug. 2024
While the amplifier is contained in the right speaker, the power supply isn’t.
—PCMAG, 27 Oct. 2024
The elegance of a powered speaker is that dedicated amplifiers and crossovers are packaged in each enclosure, so that speaker cables and costly stand-alone electronics aren’t required.
—Robert Ross, Robb Report, 23 Oct. 2024
See all Example Sentences for amplifier 
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The Physics Arxiv Blog, Discover Magazine, 14 Nov. 2024
The vestibule door opens like a crypt, releasing the howl of amplifiers.
—Brooks Kubena, The Athletic, 2 Aug. 2024
While the amplifier is contained in the right speaker, the power supply isn’t.
—PCMAG, 27 Oct. 2024
The elegance of a powered speaker is that dedicated amplifiers and crossovers are packaged in each enclosure, so that speaker cables and costly stand-alone electronics aren’t required.
—Robert Ross, Robb Report, 23 Oct. 2024
See all Example Sentences for amplifier
Dictionary Entries Near amplifier
Cite this Entry
“Amplifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amplifier. Accessed 1 Dec. 2024.
Copy CitationKids Definition
amplifier
noun
am·pli·fi·er
ˈam-plə-ˌfī(-ə)r
: one that amplifies
especially
: a device usually using electron tubes or transistors to obtain an increase of voltage, current, or power
Medical Definition
amplifier
noun
am·pli·fi·er
ˈam-plə-ˌfī(ə)r
: one that amplifies
specifically
: an electronic device (as in a computer or sound-reproducing system) for amplifying voltage, current, or power
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