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
Recent Examples on the Web
Bismuth-telluride, a semiconductor material that effectively promotes this electron flow, has been used in TEGs by the researchers.
—
New Atlas, 28 Feb. 2025
The polarized light that PUNCH will be looking for is being reflected off electrons carried on the solar wind.
—Keith Cooper, Space.com, 27 Feb. 2025
The company claims that the topological superconductor makes electrons in materials resistant to noise, which, in turn would theoretically let electricity flow through them unheeded.
—Paul Smaglik, Discover Magazine, 20 Feb. 2025
There’s one key difference, however: a muon’s mass is some 200 times greater than that of an electron.
—Tom Hawking, Popular Science, 12 Feb. 2025
See All Example Sentences for electron
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
New Atlas, 28 Feb. 2025
The polarized light that PUNCH will be looking for is being reflected off electrons carried on the solar wind.
—Keith Cooper, Space.com, 27 Feb. 2025
The company claims that the topological superconductor makes electrons in materials resistant to noise, which, in turn would theoretically let electricity flow through them unheeded.
—Paul Smaglik, Discover Magazine, 20 Feb. 2025
There’s one key difference, however: a muon’s mass is some 200 times greater than that of an electron.
—Tom Hawking, Popular Science, 12 Feb. 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 14 Mar. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share