Definitions

1. noun

A device or system for reproducing sound from two channels, such as left and right, to create the illusion of three-dimensional sound.

“She listened to music on her stereo with the speakers turned up high.”

2. adjective

Having or relating to three-dimensional sound reproduced from two channels.

“The new stereo sound system was impressive at the movie theater.”

3. verb

To record or play back sound in a way that creates the illusion of three-dimensional sound.

“The sound engineer learned to stereo the audio for the concert.”