microphone

/ˈmaɪ.kɹəˌfəʊn/noun

A piece of equipment that turns sound into an electrical signal so it can be recorded, amplified, or broadcast.

Example sentence

“Please speak into the microphone so everyone at the back can hear you.”

Shortened to 'mic' in most modern print, though 'mike' is the older spelling.

Related words

speakerA person who is talking, or who gives speeches to an audience.webcamA video camera that streams live pictures over a computer network, especially the internet.earbudsTiny earphones that sit inside the ear, used for listening to music or calls from portable devices.smartphoneA mobile phone that works like a small computer, with far more functions than a basic handset.joystickA control device with an upright handle on a base, often fitted with buttons, used to steer aircraft, play video games, or operate machinery.tabletA small solid piece of medicine or another substance that is easy to swallow; a pill.