amplifier

IPA: ˈæmpɫʌfaɪɝ

Anything that amplifies, or makes something larger or more intense.
(linguistics) An adverb that adds intensity, such as "really" or "totally".
(electronics) An appliance or circuit that increases the strength of a weak electrical signal without changing the other characteristics of the signal.
(music) A portable encasement that houses a large speaker, used to amplify voices and musical instruments at live performances.
A lens that enlarges the field of vision.

Examples of "amplifier" in Sentences

The principle of construction of an amplifier is very simple.
As I tweated, amplifier is an awesome name for an award to win!
Because the sensitivity of the crystal detectors and amplifier is more than
The amplifier is plugged into a USB port of the notebook for signal acquisition.
wrote favorably about the A-50T integrated amplifier from the Chinese company Cayin Audio.
There was a sudden scratching sound and the hum of an amplifier from the speakers in the ceiling.
An oscillator circuit is basically a unity gain amplifier with the output feeding the input (phased shifted by 180 degrees).
The nice thing about a vinyl record played through a radiogram with a tube (valve) amplifier is that it sounded warm as opposed to bright.