microscope
noun
mi·cro·scope
ˈmī-krə-ˌskōp 
1
: an optical instrument consisting of a lens or combination of lenses for making enlarged images of minute objects
especially
: compound microscope
2
: a non-optical instrument (such as one using radiations other than light or using vibrations) for making enlarged images of minute objects
an acoustic microscope
Examples of microscope in a Sentence
Students viewed the crystals through a microscope.
Recent Examples on the Web
So far, the microscope has been on the on-court partnership of Herro and Heat newcomer Norman Powell since Herro returned.
—
Anthony Chiang, Miami Herald, 11 Dec. 2025
Sheffield will enter office under a microscope, as ethics questions have surfaced from her time on the city council.
—Shaina Humphries, CBS News, 11 Dec. 2025
The technology currently under the microscope differs significantly from traditional batteries.
—Aman Tripathi, Interesting Engineering, 11 Dec. 2025
That gap is under the microscope as the state deals with a massive fraud scandal involving hundreds of millions of dollars, including allegations of taxpayer money finding its way to terrorist group Al-Shabaab in Somalia, all under the nose of Democratic leaders.
—Stepheny Price, FOXNews.com, 10 Dec. 2025
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Anthony Chiang, Miami Herald, 11 Dec. 2025
Sheffield will enter office under a microscope, as ethics questions have surfaced from her time on the city council.
—Shaina Humphries, CBS News, 11 Dec. 2025
The technology currently under the microscope differs significantly from traditional batteries.
—Aman Tripathi, Interesting Engineering, 11 Dec. 2025
That gap is under the microscope as the state deals with a massive fraud scandal involving hundreds of millions of dollars, including allegations of taxpayer money finding its way to terrorist group Al-Shabaab in Somalia, all under the nose of Democratic leaders.
—Stepheny Price, FOXNews.com, 10 Dec. 2025
See All Example Sentences for microscope
Cite this Entry
“Microscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microscope. Accessed 12 Dec. 2025.
Copy CitationKids Definition
microscope
noun
mi·cro·scope
ˈmī-krə-ˌskōp
1
: an optical instrument consisting of a lens or a combination of lenses for making enlarged or magnified images of minute objects
2
: an instrument using radiation other than light for making enlarged images of very small objects
Medical Definition
microscope
noun
mi·cro·scope
ˈmī-krə-ˌskōp
1
: an optical instrument consisting of a lens or combination of lenses for making enlarged images of minute objects
2
: an instrument using radiations other than light or using vibrations for making enlarged images of minute objects
an acoustic microscope
see electron microscope, scanning electron microscope, x-ray microscope
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