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
But any errant throw will be held under a microscope in the biggest game of Maye’s young life.
—
Doug Kyed, Boston Herald, 8 Feb. 2026
The private collection is also fun to explore, with antique opera glasses, microscopes, and binoculars.
—Anna Grace Lee, Vogue, 6 Feb. 2026
Perhaps most importantly, expansion microscopy is possible for any lab with a basic microscope and the hydrogel.
—Molly Herring, Quanta Magazine, 4 Feb. 2026
The team integrated the spintronic emitter into a full microscope design.
—Aamir Khollam, Interesting Engineering, 4 Feb. 2026
See All Example Sentences for microscope
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Doug Kyed, Boston Herald, 8 Feb. 2026
The private collection is also fun to explore, with antique opera glasses, microscopes, and binoculars.
—Anna Grace Lee, Vogue, 6 Feb. 2026
Perhaps most importantly, expansion microscopy is possible for any lab with a basic microscope and the hydrogel.
—Molly Herring, Quanta Magazine, 4 Feb. 2026
The team integrated the spintronic emitter into a full microscope design.
—Aamir Khollam, Interesting Engineering, 4 Feb. 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 14 Feb. 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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