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

“DHS now appears poised to become a primary amplifier of false election conspiracies pushed by our enemies.”

From Salon

SVI makes security cameras, bespoke amplifiers, medical equipment, to whatever specification their customers, who are mainly in Scandinavia, want.

From BBC

His riffs leapt from the amplifier and hit the audience square in the chest with taurine force.

From BBC

He persuaded his dad to buy him a microphone and an amplifier and, together with a friend Terry 'Geezer' Butler, formed a band called Rare Breed - which lasted for just two performances.

From BBC

“AI systems can become unintentional amplifiers of false information when reliable data is drowned out by repetition and virality, especially during fast-moving events when false claims spread widely,” the report said.

From Los Angeles Times