stereo

1 of 2

noun

ste·​reo ˈster-ē-ˌō How to pronounce stereo (audio)
ˈstir-
plural stereos
1
2
[by shortening]
a
: stereophonic reproduction
b
: a stereophonic sound system

stereo

2 of 2

adjective

1
b
: produced by or as if by means of a stereotype
2

Examples of stereo in a Sentence

Recent Examples on the Web
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Noun
Other features include audio zoom, slow-motion recording in 1080p at 120fps or 240fps, time-lapse, and stereo audio capture. PC Magazine, 15 Oct. 2025 Imagine if, instead of turning left at a stop light, a robotaxi decided to blast the stereo and start doing figure eights. Saahil Desai, The Atlantic, 2 Oct. 2025
Adjective
Run one speaker for mono sound, or pair two together for stereo. Chris Haslam Jeremy White, Wired News, 1 Oct. 2025 Flair and Bliss retained their titles with a stereo Natural Selection for the win. Alfred Konuwa, Forbes.com, 20 Sep. 2025 See All Example Sentences for stereo

Word History

First Known Use

Noun

circa 1823, in the meaning defined at sense 1

Adjective

1876, in the meaning defined at sense 1a

Time Traveler
The first known use of stereo was circa 1823

Browse Nearby Words

Cite this Entry

“Stereo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stereo. Accessed 24 Oct. 2025.

Kids Definition

stereo

1 of 2 noun
ste·​reo ˈster-ē-ˌō How to pronounce stereo (audio)
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

More from Merriam-Webster on stereo

Last Updated: - Updated example sentences
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