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

Its stereo sound is louder and cleaner than the size suggests, and BassUp gives the low end more weight. —PC Magazine, 22 Nov. 2025

But for this revamp, out now on vinyl, CD and streaming, Martin’s son Giles is the architect behind the various remasters and stereo processing (a subtle spread of the mono signal) for the 191-song behemoth. —Melissa Ruggieri, USA Today, 21 Nov. 2025

Adjective

And while acoustic science tells us that frequencies under 100 Hz are omnidirectional and therefore a single subwoofer stuck in a corner will suffice, experience proves that image specificity and sonic accuracy can only be achieved with at least a stereo pair of subs. —Robert Ross, Robb Report, 14 Nov. 2025

But in all realities, the E3 uses two auto-focus points – like a stereo range finder – for engraving over uneven or concave/convex surfaces. —New Atlas, 14 Nov. 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

Rhymes for stereo

• acknow
• aglow
• ago
• airglow
• aloe
• altho
• although
• ammo
• backflow
• backhoe
• banjo
• barbeau

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