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 Apple Airpods 4 also improves on their predecessors’ already excellent sound, with a new low-distortion driver and improved high dynamic range amplifier supplying more impactful bass.
—
Ho Lin, Miami Herald, 3 Mar. 2025
My older AirPods are so-so, but these are equipped with custom, Apple high-excursion drivers and a custom, high dynamic range amplifier.
—Brad Moon, Forbes, 28 Feb. 2025
Next steps, at the time of the update, included sending a command to the spacecraft to turn on a power amplifier, which would then send a high-gain signal back to Earth, providing vital data.
—Andrew Jones, Space.com, 28 Feb. 2025
Deep into February, the space is chaotic with vintage objects: mopeds and mannequins, guitars and amplifiers, golf clubs and croquet sets, beer signs and oil paintings.
—David Hudnall, Kansas City Star, 21 Feb. 2025
See All Example Sentences for amplifier
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Ho Lin, Miami Herald, 3 Mar. 2025
My older AirPods are so-so, but these are equipped with custom, Apple high-excursion drivers and a custom, high dynamic range amplifier.
—Brad Moon, Forbes, 28 Feb. 2025
Next steps, at the time of the update, included sending a command to the spacecraft to turn on a power amplifier, which would then send a high-gain signal back to Earth, providing vital data.
—Andrew Jones, Space.com, 28 Feb. 2025
Deep into February, the space is chaotic with vintage objects: mopeds and mannequins, guitars and amplifiers, golf clubs and croquet sets, beer signs and oil paintings.
—David Hudnall, Kansas City Star, 21 Feb. 2025
See All Example Sentences for amplifier
Cite this Entry
“Amplifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amplifier. Accessed 13 Mar. 2025.
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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