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All words

noun

amplifier

CEFR B2

electronic equipment that increases strength of signals passing through it

In a sentence

Six example sentences with amplifier, each labelled with its topic.

  • The guitarist plugged into a battered amplifier, and a whisper of a note filled the entire hall.

    Music

  • Engineers added an amplifier midway along the cable so the faint radio pulse still arrived readable at the far station.

    Technology

  • His headset ran through a small amplifier, turning barely audible footsteps into a clear warning across the dark map.

    Gaming

  • The radio telescope's first stage amplifier is cooled with liquid helium so its own noise does not drown the signal.

    Science

  • A hearing aid is a tiny amplifier tuned to the frequencies the wearer has lost, not simply everything turned up.

    Medicine

  • The triode amplifier of 1906 made long-distance telephone calls possible, boosting the voice every few hundred miles.

    History

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