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.
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 Both meteorites from the study, which Rider-Stokes analyzed with several instruments including an electron microscope, contain olivine and pyroxene, two iron-poor minerals confirmed by MESSENGER to be present on Mercury. Jacopo Prisco, CNN Money, 14 July 2025 The acquisition of a transmission electron microscope was supported by a United States Department of Defense instrumentation/equipment grant awarded to Merk. Melissa Cristina Márquez, Forbes.com, 1 June 2025 The most informative analyses require having physical samples to poke and prod, shine light at, run through CT scanners and examine under electron microscopes. Mary Magnuson, The Conversation, 13 May 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 3 Aug. 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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