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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.

This approach works by forming microscopic bubbles that collapse and briefly raise the temperature, helping break down the shells.

From Science Daily

They do not depend on the material's composition, shape or microscopic imperfections.

From Science Daily

Modern sponges contain skeletons made of countless microscopic, glass-like structures called spicules.

From Science Daily

That iron would fuel blooms of microscopic algae, which absorb heat trapping carbon dioxide as they grow.

From Science Daily

Researchers will look at whether microscopic soil organisms could help tree survival consistently across sites.

From BBC