microphone

Definition

A device (transducer) used to convert sound waves into a varying electric current; normally fed into an amplifier and either recorded or transmitted over radio.

Etymology

From micro- + -phone.

Example Sentences

• "Behind the tangled garden of microphones that had sprouted on the lectern, Goldwater spoke softly and casually about his family."
• "It rained hard through most of Roosevelt's Second Inaugural. Audio tape recordings of the speech feature the tattoo of the rain on Roosevelt's microphone[…]"