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

Mr. Brodsky, a management professor at the University of Texas at Austin, sets out to “transform virtual communication from a time sink into a productivity amplifier.”

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Plus, China is the single supplier for various equipment for quantum computing, including laser diodes, mirrors, and amplifiers.

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Wide-bandwidth laser amplifiers typically need crystals that are very short and thin.

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"Marshall made me a new amplifier some years ago," reveals Tufnel.

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

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