stereoscope
noun
ste·reo·scope
ˈster-ē-ə-ˌskōp 
ˈstir-
ˈstir-
: an optical instrument with two eyepieces for helping the observer to combine the images of two pictures taken from points of view a little way apart and thus to get the effect of solidity or depth
Examples of stereoscope in a Sentence
Recent Examples on the Web
Analysts like him would pore over positive duplicates of negatives, examining them under a micro-stereoscope to see sites in three dimensions.
—
Matthew Kayser, USA Today, 8 Sep. 2025
Some stereoscope cards referenced multiple forms of popular entertainment to create ghost images that worked as layered visual jokes.
—Andrea Kaston Tange, The Conversation, 22 Oct. 2024
Charles Wheatstone invented the stereoscope, and the stereoscope basically makes 2D pictures look like 3D objects.
—Susan Howson, Quartz, 2 Apr. 2024
Then there are more unusual items such as quail eggshells and a World War II-era viewing device known as a stereoscope.
—Chicago Tribune, Orange County Register, 1 Feb. 2024
All the parameters are immediately doubled and muddied in stereoscope.
—Caroline Delbert, Popular Mechanics, 9 June 2020
The idea of immersing ourselves in 3D environments dates all the way back to the stereoscopes that captivated people's imaginations in the 19th century.
—Peter Rubin, Wired, 8 Mar. 2020
There are three stereoscopes and views for visitors to use.
—courant.com, 16 Sep. 2019
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Matthew Kayser, USA Today, 8 Sep. 2025
Some stereoscope cards referenced multiple forms of popular entertainment to create ghost images that worked as layered visual jokes.
—Andrea Kaston Tange, The Conversation, 22 Oct. 2024
Charles Wheatstone invented the stereoscope, and the stereoscope basically makes 2D pictures look like 3D objects.
—Susan Howson, Quartz, 2 Apr. 2024
Then there are more unusual items such as quail eggshells and a World War II-era viewing device known as a stereoscope.
—Chicago Tribune, Orange County Register, 1 Feb. 2024
All the parameters are immediately doubled and muddied in stereoscope.
—Caroline Delbert, Popular Mechanics, 9 June 2020
The idea of immersing ourselves in 3D environments dates all the way back to the stereoscopes that captivated people's imaginations in the 19th century.
—Peter Rubin, Wired, 8 Mar. 2020
There are three stereoscopes and views for visitors to use.
—courant.com, 16 Sep. 2019
Cite this Entry
“Stereoscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stereoscope. Accessed 31 Oct. 2025.
Copy CitationKids Definition
stereoscope
noun
ste·reo·scope
ˈster-ē-ə-ˌskōp
ˈstir-
: an optical instrument that blends two slightly different pictures of the same subject to give the effect of depth
Medical Definition
stereoscope
noun
ste·reo·scope
ˈster-ē-ə-ˌskōp
ˈstir-
ˈstir-
: an optical instrument with two eyepieces for helping the observer to combine the images of two pictures taken from points of view a little way apart and thus to get the effect of solidity or depth
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