microscopic

adjective

mi·​cro·​scop·​ic ˌmī-krə-ˈskä-pik How to pronounce microscopic (audio)
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
microscopically adverb

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The technology not only replaces the need for vacuum bags and traditional filters but also helps to capture more microscopic dust. Brenda Stolyar, Wired News, 22 May 2025 While space stations are relatively clean environments and are bombarded by higher doses of radiation than the surface of Earth, astronauts coming to and from space stations carry trillions of microscopic organisms with them. Andrew Jones, Space.com, 21 May 2025 To emphasize the fact that the Tigers could not have been the darlings of baseball last September without contributions grand and microscopic, from late March in Chicago all the way to the Division Series in Detroit. Cody Stavenhagen, New York Times, 15 May 2025 Chemical and microscopic analyses of the tubes revealed traces of nicotine and vilca bean, a hallucinogen related to the drug DMT. Sonja Anderson, Smithsonian Magazine, 14 May 2025 See All Example Sentences for microscopic

Word History

First Known Use

circa 1672, in the meaning defined at sense 1

Time Traveler
The first known use of microscopic was circa 1672

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Cite this Entry

“Microscopic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microscopic. Accessed 2 Jun. 2025.

Kids Definition

microscopic

adjective
mi·​cro·​scop·​ic ˌmī-krə-ˈskäp-ik How to pronounce microscopic (audio)
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
microscopically adverb

Medical Definition

microscopic

adjective
mi·​cro·​scop·​ic ˌmī-krə-ˈskäp-ik How to pronounce microscopic (audio)
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
microscopically adverb

More from Merriam-Webster on microscopic

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