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
Via the amplifier, the receiving coil sent an audio signal to the headphones, notifying the soldier of a potential land mine.
—
IEEE Spectrum, 8 Jan. 2025
Pricing & Availability: The FiiO K17 headphone amplifier will ship late January and is priced at $899.99 / £899 / €999.99.
—Mark Sparrow, Forbes, 5 Jan. 2025
The primary speaker houses all the connection ports and the amplifier.
—PCMAG, 17 Dec. 2024
Streaming cannot eclipse the sound that comes from a quality amplifier, speakers and CD player.
—Jesse Fink, SPIN, 28 Nov. 2024
See all Example Sentences for amplifier 
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IEEE Spectrum, 8 Jan. 2025
Pricing & Availability: The FiiO K17 headphone amplifier will ship late January and is priced at $899.99 / £899 / €999.99.
—Mark Sparrow, Forbes, 5 Jan. 2025
The primary speaker houses all the connection ports and the amplifier.
—PCMAG, 17 Dec. 2024
Streaming cannot eclipse the sound that comes from a quality amplifier, speakers and CD player.
—Jesse Fink, SPIN, 28 Nov. 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 22 Jan. 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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