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microscopic

American  
[mahy-kruh-skop-ik] / ˌmaɪ krəˈskɒp ɪk /
Also microscopical

adjective

  1. so small as to be invisible or indistinct without the use of the microscope.

    microscopic organisms.

  2. very small; tiny.

  3. of, relating to, or involving a microscope.

    microscopic investigation.

  4. very detailed; meticulous.

    a microscopic view of society.

  5. suggestive of the precise use of the microscope; minute.

    microscopic exactness.


microscopic British  
/ ˌmaɪkrəˈskɒpɪk /

adjective

  1. not large enough to be seen with the naked eye but visible under a microscope Compare macroscopic

  2. very small; minute

  3. of, concerned with, or using a microscope

  4. characterized by or done with great attention to detail

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • microscopically adverb
  • nonmicroscopic adjective
  • nonmicroscopical adjective
  • nonmicroscopically adverb
  • unmicroscopic adjective
  • unmicroscopically adverb

Etymology

Origin of microscopic

First recorded in 1670–80; microscope + -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And as corny as that may seem, I implore you: If you have even one microscopic iota of curiosity, see this film.

From Salon • Mar. 21, 2026

Roberto Rosetti - the head of Uefa's referees - called the meeting after saying last month the game must not "go in this direction of microscopic VAR interventions".

From BBC • Mar. 19, 2026

They discovered that when microscopic organisms such as yeast and mold fed on the kelp, the byproduct more closely resembled what they were seeking.

From The Wall Street Journal • Mar. 18, 2026

Since terahertz wavelengths are much larger than atoms and molecules, they cannot normally resolve microscopic features.

From Science Daily • Mar. 17, 2026

Betsie had never been able to lift much; today her shovelfuls were microscopic and she stumbled frequently as she walked to the low ground where we dumped the loads.

From "The Hiding Place" by Corrie ten Boom