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 One of the early online amplifiers of Al-Alim social media activity has been political operative Mike Trujillo, who is working on behalf of an independent campaign to elect Watts as well as candidates in the three other board races. Howard Blume, Los Angeles Times, 21 Feb. 2024 There is the need for an amplifier able to step up the voltage that batteries can provide, with high efficiency to conserve energy, and with minimum noise, to preserve audio quality. IEEE Spectrum, 11 Feb. 2024 The Gibson name has been synonymous with top-notch guitars for more than a century, and over the years the company has added everything from basses and amplifiers to accessories and lifestyle swag to their esteemed product line. Spin Contributor, SPIN, 8 Dec. 2023 There is also a folding display stand, a foot pedal, and an amplifier included with the set along with a display stand and four miniature guitar picks. Toni Sutton, EW.com, 2 Oct. 2023 The differential biomedical amplifier recorded the EEG signals and inputted them into the computer with the help of the A/D converter set at 300 Hz. IEEE Spectrum, 16 Dec. 2023 Apple has completely redesigned the acoustic driver and amplifier in the third-gen AirPods. Sheena Vasani, The Verge, 14 Dec. 2023 This studio-quality mic has a pro-grade XLR amplifier that connects to your PC through a USB cord and includes such features as customizable controls and user-friendly audio mixing software. Ron Hart, SPIN, 8 Dec. 2023 Lopez was a Mexican American woman who worked for Fender Guitars, building amplifiers in the 1950s. Nina Corcoran, Pitchfork, 17 Oct. 2023

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 19 Mar. 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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