amplifier

noun

am·​pli·​fi·​er ˈam-plə-ˌfī(-ə)r How to pronounce amplifier (audio)
: 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 Although relatively sensitive at 92 dB, a high-current amplifier with at least 100 watts will go a long way toward making the Stradivari G2 sing. Josh Condon, Robb Report, 13 June 2024 In attributing the current informational crisis to a proliferation of lies, however, the book largely overlooks the role that governments, the media, and technology companies are playing as agents and amplifiers of misinformation. Jameel Jaffer, Foreign Affairs, 19 Oct. 2021 The rear of the active speaker has a host of ports, as well as vents for the dual Class-D amplifiers. Mark Knapp, PCMAG, 5 June 2024 HBTs can handle high-frequency signals (up to several thousand gigahertz) and are commonly used in radio frequency systems, including RF power amplifiers in cell phones. IEEE Spectrum, 28 May 2024 See all Example Sentences for amplifier 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'amplifier.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

amplify + -er entry 2

First Known Use

1546, in the meaning defined above

Time Traveler
The first known use of amplifier was in 1546

Dictionary Entries Near amplifier

Cite this Entry

“Amplifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amplifier. Accessed 7 Jul. 2024.

Kids Definition

amplifier

noun
am·​pli·​fi·​er ˈam-plə-ˌfī(-ə)r How to pronounce amplifier (audio)
: 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 How to pronounce amplifier (audio)
: one that amplifies
specifically : an electronic device (as in a computer or sound-reproducing system) for amplifying voltage, current, or power

More from Merriam-Webster on amplifier

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