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

He mounted a Trace Elliot amplifier on the back of the truck.

From The Daily Beast

So just like any other amplifier, we wanted to simply just connect people and let them know their choices.

From The Daily Beast

Mr. Norwood brought out from the city a two-step amplifier and a horn and they were attached to the instrument.

From Project Gutenberg

They listened in on the radio that evening until late, using the amplifier and horn that Mr. Norwood had bought.

From Project Gutenberg

Wires were run from the amplifier through the rear-seat windows, which were opened just enough to take the thin cables.

From Project Gutenberg

Rick and Scotty watched as the engineer got busy, hooking the remote-switch cable into the amplifier.

From Project Gutenberg

The voice, thin, flat and emotionless, came through a small amplifier.

From Project Gutenberg