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
But some were worried that the current turmoil in Washington, D.C., could slow the nation’s ability to nimbly respond when this microscopic threat inevitably gains the ability to cause a global pandemic, potentially causing more deaths than COVID-19.
—
Paul Sisson, San Diego Union-Tribune, 2 Mar. 2025
These are microscopic particles that accumulate in the air from a variety of pollutants such as forest fires, agricultural waste and car exhaust.
—Claire Maldarelli, Scientific American, 28 Feb. 2025
Lindon’s most famous works are perhaps his three microscopic recreations of van Gogh paintings, which the artist embedded inside a wristwatch.
—Sonja Anderson, Smithsonian Magazine, 28 Feb. 2025
In addition to a thick skull, the blood-brain barrier (BBB), a natural protective membrane, prevents microscopic intruders such as toxins and pathogens from entering the nervous system.
—Jenny Lehmann, Discover Magazine, 26 Feb. 2025
See All Example Sentences for microscopic
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Paul Sisson, San Diego Union-Tribune, 2 Mar. 2025
These are microscopic particles that accumulate in the air from a variety of pollutants such as forest fires, agricultural waste and car exhaust.
—Claire Maldarelli, Scientific American, 28 Feb. 2025
Lindon’s most famous works are perhaps his three microscopic recreations of van Gogh paintings, which the artist embedded inside a wristwatch.
—Sonja Anderson, Smithsonian Magazine, 28 Feb. 2025
In addition to a thick skull, the blood-brain barrier (BBB), a natural protective membrane, prevents microscopic intruders such as toxins and pathogens from entering the nervous system.
—Jenny Lehmann, Discover Magazine, 26 Feb. 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 11 Mar. 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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