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
Measuring semen quality involves looking under a microscope and using a computer program to take stock of the total volume, sperm concentration, and proportion of structurally healthy-looking sperm.
—
Simon Spichak, Health, 27 Mar. 2025
The team measured the number of microplastic particles in each sample by staining the particles red and counting them under a microscope, studying their chemical composition using a technique known as Fourier-transform infrared spectroscopy.
—Daniel R. Depetris, Newsweek, 25 Mar. 2025
Senator Chuck Schumer, the Senate Minority Leader, has found himself under a microscope since voting to keep the government open rather than causing a shutdown.
—Brian Steinberg, Variety, 21 Mar. 2025
Every action or tiny shard of personality revealed to the public was put under a microscope and used against her.
—Alanna Bennett, refinery29.com, 14 Mar. 2025
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Simon Spichak, Health, 27 Mar. 2025
The team measured the number of microplastic particles in each sample by staining the particles red and counting them under a microscope, studying their chemical composition using a technique known as Fourier-transform infrared spectroscopy.
—Daniel R. Depetris, Newsweek, 25 Mar. 2025
Senator Chuck Schumer, the Senate Minority Leader, has found himself under a microscope since voting to keep the government open rather than causing a shutdown.
—Brian Steinberg, Variety, 21 Mar. 2025
Every action or tiny shard of personality revealed to the public was put under a microscope and used against her.
—Alanna Bennett, refinery29.com, 14 Mar. 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 8 Apr. 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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