electron probe

noun

: a microprobe that uses an electron beam to induce X-ray emissions in a sample

Examples of electron probe in a Sentence

Recent Examples on the Web
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This technique involves scanning a nanoscale electron probe across a material to capture overlapping diffraction patterns. Mrigakshi Dixit, Interesting Engineering, 30 Apr. 2026

Word History

First Known Use

1943, in the meaning defined above

Time Traveler
The first known use of electron probe was in 1943

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Cite this Entry

“Electron probe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron%20probe. Accessed 13 May. 2026.

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