microscopic
adjective
mi·cro·scop·ic
ˌmī-krə-ˈskä-pik 
variants
or less commonly microscopical
1
: resembling a microscope especially in perception
2
a
: invisible or indistinguishable without the use of a microscope
b
: very small or fine or precise
3
: of, relating to, or conducted with the microscope or microscopy
Examples of microscopic in a Sentence
At this point, the embryo is a microscopic clump of only 100 cells.
There is a microscopic crack in the diamond.
He has a microscopic attention span.
He recorded every aspect of his trip in microscopic detail.
a microscopic study of plant tissues
Recent Examples on the Web
That only works because their bodies are covered in microscopic, water-repellent hairs.
—
Scott Travers, Forbes.com, 20 Apr. 2025
Risks Of Eating Moldy Bread While a little bit of mold might not seem like a big deal, there's a chance that microscopic mold growth can be present throughout the loaf, even if just one piece seems affected.
—Katie Rosenhouse, Southern Living, 18 Apr. 2025
From a technical point of view, brewer’s yeast is a collection of microscopic, nonpathogenic unicellular fungi known by the scientific name saccharomyces cerevisiae, which can be used in an active or inactive form.
—Beatrice Zocchi, Vogue, 16 Apr. 2025
This step forms a bridge by deriving the mesoscopic math from the extremal behavior of the microscopic math.
—Jack Murtagh, Scientific American, 14 Apr. 2025
See All Example Sentences for microscopic
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Scott Travers, Forbes.com, 20 Apr. 2025
Risks Of Eating Moldy Bread While a little bit of mold might not seem like a big deal, there's a chance that microscopic mold growth can be present throughout the loaf, even if just one piece seems affected.
—Katie Rosenhouse, Southern Living, 18 Apr. 2025
From a technical point of view, brewer’s yeast is a collection of microscopic, nonpathogenic unicellular fungi known by the scientific name saccharomyces cerevisiae, which can be used in an active or inactive form.
—Beatrice Zocchi, Vogue, 16 Apr. 2025
This step forms a bridge by deriving the mesoscopic math from the extremal behavior of the microscopic math.
—Jack Murtagh, Scientific American, 14 Apr. 2025
See All Example Sentences for microscopic
Cite this Entry
“Microscopic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microscopic. Accessed 26 Apr. 2025.
Copy CitationKids Definition
microscopic
adjective
mi·cro·scop·ic
ˌmī-krə-ˈskäp-ik
variants
also microscopical
1
: of, relating to, or conducted with the microscope or microscopy
a microscopic examination
2
: resembling a microscope : able to see very tiny objects
some insects have microscopic vision
3
: able to be seen only through a microscope : very small
a microscopic plant
Medical Definition
microscopic
adjective
mi·cro·scop·ic
ˌmī-krə-ˈskäp-ik
variants
or microscopical
1
: of, relating to, or conducted with the microscope or microscopy
2
: so small or fine as to be invisible or indistinguishable without the use of a microscope compare macroscopic, submicroscopic, ultramicroscopic sense 1
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