amplifier

noun
am·​pli·​fi·​er | \ ˈam-plə-ˌfī(-ə)r How to pronounce amplifier (audio) \

Definition of amplifier

: 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

Before his social-media bonding session with handpicked right-wing tweeters, radio hosts, and other message amplifiers on Thursday, Trump took time out for an interlude of positivity. Susan B. Glasser, The New Yorker, "“Congratulations Again, Mr. President”: Trump and the Co-opting of the G.O.P.," 12 July 2019 Each float comes with a 20-watt amplifier, waterproof speakers, and dual 70mm subwoofers to give you an unmatched level of sound quality that can be enjoyed alone or with an entire pool party. Elizabeth Gulino, House Beautiful, "Soundfloat's Pool Float Comes With a High-End Bluetooth Speaker System Built In," 25 June 2019 Recent hauls include suitcases, bicycles, documents, medication, an electric guitar and an amplifier. Rachel Swan, SFChronicle.com, "Homeless people protest SF collecting their belongings," 22 June 2019 However, the amplifier mountings still needed to be worked on. Chris Lee, Ars Technica, "NASA’s EM-drive is a magnetic WTF-thruster," 21 May 2018 But the most important items in both places are the turntables, tube amplifiers and speakers. Ben Ratliff, New York Times, "Learning to Listen, in a Los Angeles Cafe Built for Vinyl," 3 June 2019 In essence, measles acts like an infection amplifier, turning up the volume of background disease. National Geographic, "Measles vaccines protect against more than just measles. Here's how.," 4 Mar. 2019 Clarke designed a micro-strip SQUID amplifier (MSA) that has been incorporated into ADMX. Douglas Messier, Space.com, "Super-Sensitive Device Seeks Axions, Proposed Dark Matter Particles," 2 July 2018 The offending yowl had come out of an amplifier, though the issue didn’t involve the amp alone but the fact that it was connected to a hollow-box guitar. David Kirby, WSJ, "‘The Birth of Loud’ Review: Constructive Feedback," 17 Jan. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amplifier.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of amplifier

1546, in the meaning defined above

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Statistics for amplifier

Last Updated

16 Jul 2019

Look-up Popularity

Time Traveler for amplifier

The first known use of amplifier was in 1546

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More Definitions for amplifier

amplifier

noun

English Language Learners Definition of amplifier

: a device that increases the strength of electric signals so that sounds played through an electronic system are louder

amplifier

noun
am·​pli·​fi·​er | \ ˈam-plə-ˌfī-ər How to pronounce amplifier (audio) \

Kids Definition of amplifier

: a device that increases the strength of electric signals so that sounds played through an electronic system are louder

amplifier

noun
am·​pli·​fi·​er | \ ˈam-plə-ˌfī(ə)r How to pronounce amplifier (audio) \

Medical Definition of amplifier

: 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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More from Merriam-Webster on amplifier

Rhyming Dictionary: Words that rhyme with amplifier

Spanish Central: Translation of amplifier

Nglish: Translation of amplifier for Spanish Speakers

Britannica.com: Encyclopedia article about amplifier

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