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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Instead of using the movement of electrons like traditional silicon chips, these neurons rely on the movement of atoms to process information.
—
Aamir Khollam, Interesting Engineering, 29 Oct. 2025
On the one hand, there would be double-neutrino double-beta decay, where the parent nucleus would emit two electrons and two neutrinos, transforming two of the neutrons in the nucleus into protons in the process.
—Big Think, 28 Oct. 2025
The color of the aurora depends on which gas is being excited by the electrons and on how much energy is being exchanged, NASA said.
—Jenna Prestininzi, Freep.com, 28 Oct. 2025
Several minutes later, electrons and protons may arrive in enormous quantities, dramatically increasing radiation in Earth’s magnetosphere.
CMEs, meanwhile, hurtle through space at up to three thousand kilometers per second.
—Literary Hub, 27 Oct. 2025
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Aamir Khollam, Interesting Engineering, 29 Oct. 2025
On the one hand, there would be double-neutrino double-beta decay, where the parent nucleus would emit two electrons and two neutrinos, transforming two of the neutrons in the nucleus into protons in the process.
—Big Think, 28 Oct. 2025
The color of the aurora depends on which gas is being excited by the electrons and on how much energy is being exchanged, NASA said.
—Jenna Prestininzi, Freep.com, 28 Oct. 2025
Several minutes later, electrons and protons may arrive in enormous quantities, dramatically increasing radiation in Earth’s magnetosphere.
CMEs, meanwhile, hurtle through space at up to three thousand kilometers per second.
—Literary Hub, 27 Oct. 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 30 Oct. 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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