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
The lagoon acts as an amplifier.
—
Daniel Cassady, ARTnews.com, 4 May 2026
There are easy-to-use touch controls on the front, and the amplifier produces 125 watts per speaker channel.
—Bestreviews, Chicago Tribune, 1 May 2026
The brand also collaborated with Horny Hi-Fi on a custom hi-fi system consisting of wooden loudspeakers surmounted by a second amplifier in sandblasted chrome.
—Martino Carrera, Footwear News, 1 May 2026
Plus, the speaker's three class-D amplifiers, subwoofers, and both front- and rear-facing tweeters ensure that everyone can get immersed in its soundscape.
—George Yang, PC Magazine, 28 Apr. 2026
See All Example Sentences for amplifier
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Daniel Cassady, ARTnews.com, 4 May 2026
There are easy-to-use touch controls on the front, and the amplifier produces 125 watts per speaker channel.
—Bestreviews, Chicago Tribune, 1 May 2026
The brand also collaborated with Horny Hi-Fi on a custom hi-fi system consisting of wooden loudspeakers surmounted by a second amplifier in sandblasted chrome.
—Martino Carrera, Footwear News, 1 May 2026
Plus, the speaker's three class-D amplifiers, subwoofers, and both front- and rear-facing tweeters ensure that everyone can get immersed in its soundscape.
—George Yang, PC Magazine, 28 Apr. 2026
See All Example Sentences for amplifier
Cite this Entry
“Amplifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amplifier. Accessed 9 May. 2026.
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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