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

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 Thanks to her new job, Ms. Draper had money to buy her sons Christmas gifts including a bike, a guitar, an amplifier and gift cards. Sarah Nassauer, WSJ, "After a Strong 2018 for Retail Sales, Caution Flags Pop Up," 16 Jan. 2019 To get them into the public lexicon, media manipulators must convince major media amplifiers to work on their behalf. Casey Newton, The Verge, "How a new class of “digital martyrs” are manipulating social networks," 18 Sep. 2018 With its wider Echo speaker-like design, the Echo Sub includes a 6-inch down-firing woofer and a 100W deep bass amplifier. Valentina Palladino, Ars Technica, "Guidemaster: Want an Alexa device? Here’s every Amazon Echo, compared," 22 Nov. 2018 Specs-wise, the P Zero Sound measures 12.9-inches in diameter, weighs 21 pounds, has a 100-watt amplifier, Bluetooth 4.0 with AptX for wireless connectivity, a 100mm midwoofer and a 25mm tweeter. Stefan Etienne, The Verge, "Pirelli made a tire-shaped Bluetooth speaker that isn’t actually made from tires," 26 July 2018 The Sonos Play:5 is a powerful speaker, Sonos' best selling one, with six amplifiers and six dedicated speaker drivers. David Grossman, Popular Mechanics, "Get a Jumpstart on Your Smart Home With These Echo Deals," 28 Nov. 2017

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

18 Jun 2019

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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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