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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
By Ivan Amato edited by Gary Stix In the early 1950s biologists at Brooklyn College were using an electron microscope to pursue a lead that the leafhopper, a common insect that is about the size of a rice grain and named after one of its signature behaviors, could be an agent of viral transmission.
—Ivan Amato, Scientific American, 2 Jan. 2025
This electron microscope image provided by the Centers for Disease Control and Prevention shows a cluster of norovirus virions.
—CBS News, 29 Dec. 2024
The whole show was viewed using high-vacuum transmission electron microscopes.
—Michael Irving, New Atlas, 2 Oct. 2024
Ruska developed the first electron microscope in 1933, and Binnig and Rohrer developed the scanning tunneling microscope together in 1981.
—Jen Christiansen, Scientific American, 24 Sep. 2024
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Word History
First Known Use
1932, in the meaning defined above
Time Traveler
The first known use of electron microscope was
in 1932
Dictionary Entries Near electron microscope
Cite this Entry
“Electron microscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron%20microscope. Accessed 8 Jan. 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
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