Microphone (noun)

A device that converts sound waves into an electrical current, which can then be amplified, recorded, or transmitted.

Origin:

From the greek mikros, meaning small, and phonos, meaning sound. the term was first used in the late 19th century to refer to devices that convert sound into electrical energy.

Examples:

1. The singer adjusted the position of the microphone to capture his voice better.
2. The reporter held a microphone to the politician's mouth to record his statement.
3. The microphone was a key component in the development of radio and television broadcasting.
4. The microphone was turned off during the meeting to prevent any interruptions.
5. The microphone was a condenser microphone which is more sensitive than dynamic microphone.