amplifier

[ am-pluh-fahy-er ]

noun

1. a person or thing that amplifies or enlarges.
2. an electronic component or circuit for amplifying power, current, or voltage.

amplifier

/ ˈæmplɪˌfaɪə /

noun

1. an electronic device used to increase the strength of the signal fed into it
2. such a device used for the amplification of audio frequency signals in a radio, etc
3. photog an additional lens for altering the focal length of a camera lens
4. a person or thing that amplifies

amplifier

1. In electronics, a device that takes a small electric signal and converts it into a large one. Amplifiers are used in stereo systems, electric guitars, and loudspeakers.

Word History and Origins

Origin of amplifier¹

First recorded in 1540–50; amplify + -er ¹

Example Sentences

From the outside, the industry reviews aside from the usual right-wing amplifiers were not uniformly glowing.

From Salon

Nearby are framed posters from the movies “Pulp Fiction” and “A Clockwork Orange,” and on a small carpeted area are amplifiers, a couch and Brown’s drum kit, ready for impromptu jam sessions.

From Los Angeles Times

The musicians cranked up the amplifiers, and Stills sang a verse of Young’s bristling standard, which landed Saturday like an angrier follow-up to the Buffalo Springfield’s “For What It’s Worth.”

From Los Angeles Times

They have also passed ordinances that limit the use of megaphones and other noise amplifiers as patients have reported hearing antiabortion chants from inside exam rooms.

From Los Angeles Times

Tesla CEO Elon Musk is a prolific spreader and amplifier of misinformation on his social media platform X, formerly Twitter, a new report alleges.

From Salon