electron microscope

noun

: an electron-optical instrument in which a beam of electrons is used to produce an enlarged image of a minute object
electron microscopist noun
electron microscopy noun

Examples of electron microscope in a Sentence

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.
This scanning electron microscope image was taken at NASA's Johnson Space Center in Houston, where some of the asteroid samples are being studied. Kenna Hughes-Castleberry, Space.com, 29 Aug. 2025 This 1978 electron microscope image made available by the Centers for Disease Control and Prevention shows Legionella pneumophila bacteria which are responsible for causing the pneumonic disease Legionnaires' disease. Kate Plummer, MSNBC Newsweek, 29 Aug. 2025 Hossain first became intrigued after eating a hazelnut and placing its shell under an electron microscope. Aamir Khollam, Interesting Engineering, 26 Aug. 2025 But new scanning electron microscope images that suggest the building-blocks of life originated near Jupiter in our early solar system, rather than from deep space as currently thought, says the imperial college London. Bruce Dorminey, Forbes.com, 27 July 2025 See All Example Sentences for electron microscope

Word History

First Known Use

1932, in the meaning defined above

Time Traveler
The first known use of electron microscope was in 1932

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Cite this Entry

“Electron microscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron%20microscope. Accessed 13 Sep. 2025.

Kids Definition

electron microscope

noun
: an instrument in which a beam of electrons is used to produce an enlarged image of a very small object

Medical Definition

electron microscope

noun
: an electron-optical instrument in which a beam of electrons is used to produce an enlarged image of a minute object
electron microscopist noun
electron microscopy noun
Last Updated: - Updated example sentences
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