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
The treatments begin with a scalp analysis under a microscope, followed by exfoliating, steaming, cleansing and massage steps designed to improve scalp health and hair shine.
—
Hanna Wickes, Charlotte Observer, 15 May 2026
The probe has put the NFL’s deal making under a microscope and could be a signal that the other major leagues may face their own inquiries.
—Sabrina Reed, Forbes.com, 15 May 2026
Your connections are under a microscope, but clarity arrives around who’s meeting you halfway and who’s just enjoying access to you.
—Valerie Mesa, PEOPLE, 14 May 2026
That focus on a moment, an image, that impulse to seize a scene and squeeze it dry, or spend days with it under a microscope, or live with it for hours in a vanity mirror, ring light fully on.
—Literary Hub, 14 May 2026
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Hanna Wickes, Charlotte Observer, 15 May 2026
The probe has put the NFL’s deal making under a microscope and could be a signal that the other major leagues may face their own inquiries.
—Sabrina Reed, Forbes.com, 15 May 2026
Your connections are under a microscope, but clarity arrives around who’s meeting you halfway and who’s just enjoying access to you.
—Valerie Mesa, PEOPLE, 14 May 2026
That focus on a moment, an image, that impulse to seize a scene and squeeze it dry, or spend days with it under a microscope, or live with it for hours in a vanity mirror, ring light fully on.
—Literary Hub, 14 May 2026
See All Example Sentences for microscope
Cite this Entry
“Microscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microscope. Accessed 21 May. 2026.
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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