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
The researchers envision its flexible architecture being adapted for a wide spectrum of 3D imaging applications, ranging from tracking microscopic blood vessels during delicate surgeries to digitally mapping entire rooms and buildings.
—
Mrigakshi Dixit, Interesting Engineering, 20 May 2026
An important feature of the Vita Technique ® is the microscopic analysis of the donor site, which can be divided into several zones, such as D1, D2, D3, and D4.
—Wyles Daniel, USA Today, 20 May 2026
As his relevance falters, Drake’s eye for slights and score-settling has grown so microscopic that even his stans need tweezers.
—Jayson Greene, Pitchfork, 18 May 2026
Pinning down the movement of a microscopic pathogen can be difficult.
—Mary Beth Sheridan, CNN Money, 17 May 2026
See All Example Sentences for microscopic
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Mrigakshi Dixit, Interesting Engineering, 20 May 2026
An important feature of the Vita Technique ® is the microscopic analysis of the donor site, which can be divided into several zones, such as D1, D2, D3, and D4.
—Wyles Daniel, USA Today, 20 May 2026
As his relevance falters, Drake’s eye for slights and score-settling has grown so microscopic that even his stans need tweezers.
—Jayson Greene, Pitchfork, 18 May 2026
Pinning down the movement of a microscopic pathogen can be difficult.
—Mary Beth Sheridan, CNN Money, 17 May 2026
See All Example Sentences for microscopic
Cite this Entry
“Microscopic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microscopic. Accessed 21 May. 2026.
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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