electron gun
noun
: an electron-emitting cathode and its surrounding assembly (such as electromagnets in a cathode-ray tube) for directing, controlling, and focusing a beam of electrons
Examples of electron gun in a Sentence
Recent Examples on the Web
Cylindrical structure contains electron gun Traveling wave tube is a cylindrical structure which contains an electron gun to form a cathode.
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Prabhat Ranjan Mishra, Interesting Engineering, 15 Aug. 2025
The charging effect on the surface of the samples was compensated by an electron gun during analysis.
—Keith Cooper, Space.com, 16 July 2025
The researchers expect that the whole kit, including the electron gun, can be encapsulated on a chip.
—Chris Lee, Ars Technica, 22 July 2019
Varying the output of the electron gun, however, can create a lopsided force deliberately, permitting the craft to be steered.
—The Economist, 21 Sep. 2017
One line of research that the researchers are working on is the development of an electron gun.
—IEEE Spectrum, 31 Mar. 2017
When the set is shut down, the electromagnets deactivate and the remnant beam from the electron gun defaults momentarily to the center of the screen before dying out—but not always in the same spot, as Crippens discovered.
—Rebecca Horne, Discover Magazine, 2 June 2010
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Prabhat Ranjan Mishra, Interesting Engineering, 15 Aug. 2025
The charging effect on the surface of the samples was compensated by an electron gun during analysis.
—Keith Cooper, Space.com, 16 July 2025
The researchers expect that the whole kit, including the electron gun, can be encapsulated on a chip.
—Chris Lee, Ars Technica, 22 July 2019
Varying the output of the electron gun, however, can create a lopsided force deliberately, permitting the craft to be steered.
—The Economist, 21 Sep. 2017
One line of research that the researchers are working on is the development of an electron gun.
—IEEE Spectrum, 31 Mar. 2017
When the set is shut down, the electromagnets deactivate and the remnant beam from the electron gun defaults momentarily to the center of the screen before dying out—but not always in the same spot, as Crippens discovered.
—Rebecca Horne, Discover Magazine, 2 June 2010
Cite this Entry
“Electron gun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron%20gun. Accessed 29 Sep. 2025.
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