electron
noun
elec·tron
i-ˈlek-ˌträn 
: an elementary particle consisting of a charge of negative electricity equal to about 1.602 × 10−19 coulomb and having a mass when at rest of about 9.109 × 10−31 kilogram or about ¹/₁₈₃₆ that of a proton
Examples of electron in a Sentence
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Solar events like solar flares and coronal mass ejections are responsible for northern lights displays, as electrons from these events collide with oxygen and nitrogen in the Earth’s atmosphere.
—
Ty Roush, Forbes.com, 4 June 2025
When this overwhelms a cell's antioxidant defenses, cells and tissues can be damaged and electron excitation and transfer processes can be induced, leading to photon emission.
—Ian Randall, MSNBC Newsweek, 30 May 2025
These experiments would use Rydberg atoms, which are energized atoms with electrons that roam very far from their nuclei.
—Shalma Wegsman, Wired News, 25 May 2025
The researchers observed the TGF right before the two discharge paths converged and created a highly concentrated electric field that the researchers say accelerated the electrons shooting through the air to near light speed.
—Julian Dossett, Space.com, 23 May 2025
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Ty Roush, Forbes.com, 4 June 2025
When this overwhelms a cell's antioxidant defenses, cells and tissues can be damaged and electron excitation and transfer processes can be induced, leading to photon emission.
—Ian Randall, MSNBC Newsweek, 30 May 2025
These experiments would use Rydberg atoms, which are energized atoms with electrons that roam very far from their nuclei.
—Shalma Wegsman, Wired News, 25 May 2025
The researchers observed the TGF right before the two discharge paths converged and created a highly concentrated electric field that the researchers say accelerated the electrons shooting through the air to near light speed.
—Julian Dossett, Space.com, 23 May 2025
See All Example Sentences for electron
Cite this Entry
“Electron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron. Accessed 9 Jun. 2025.
Copy CitationKids Definition
electron
noun
elec·tron
i-ˈlek-ˌträn
: an elementary particle that has a negative charge of electricity and travels around the nucleus of an atom
Medical Definition
electron
noun
elec·tron
i-ˈlek-ˌträn
: an elementary particle consisting of a charge of negative electricity equal to about 1.602 × 10−19 coulomb and having a mass when at rest of about 9.109534 × 10−28 gram or about ¹/₁₈₃₆ that of a proton
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