stereo

1 of 2

noun

ste·​reo ˈster-ē-ˌō 

ˈstir-

plural stereos

1

: stereotype

2

[by shortening]

a

: stereophonic reproduction

b

: a stereophonic sound system

stereo

2 of 2

adjective

1

a

: stereoscopic

b

: produced by or as if by means of a stereotype

2

: stereophonic

Examples of stereo in a Sentence

Recent Examples on the Web

Noun

His father enjoyed listening to classical music on his stereo. —Shambhavi Rimal, Fort Worth Star-Telegram, 7 Feb. 2025

Dolby Atmos is on board to boost the stereo speakers, with one in the earpiece and the other tucked in the bottom edge. —PCMAG, 30 Jan. 2025

Adjective

And the advent of stereo sound, with separated left and right channels—which became practical for home use in the late ’50s—was an economic engine for makers of both recordings and equipment. —Michael Owen, The Atlantic, 5 Feb. 2025

Two mics—a classic stereo pair—on his piano, a stereo pair in the room, and then a microphone on him. —Madison Bloom, Pitchfork, 24 Jan. 2025

Word History

First Known Use

Noun

circa 1823, in the meaning defined at sense 1

Adjective

1876, in the meaning defined at sense 1a

Kids Definition

stereo

1 of 2 noun

ste·​reo ˈster-ē-ˌō 

ˈstir-

1

: stereophonic reproduction

2

: a stereophonic sound system

stereo

2 of 2 adjective

1

: of or relating to the seeing of objects in three dimensions

2

: stereophonic