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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Short for cryogenic electron microscopy, cryo-EM is a technique for visualizing minuscule biological structures at high resolution.
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Dan Samorodnitsky, Quanta Magazine, 5 June 2024
The electron shield also creates a radiation belt that pummels visiting spacecrafts.
—Shi En Kim, Smithsonian Magazine, 22 May 2024
The most important energy source for life on Earth can also supply the planet with space weather storms — bursts of electrons, protons, radiation and other particles — that can potentially affect technology.
—Caralin Nunes, The Arizona Republic, 28 Feb. 2024
Nobody today knows what the right blend of electrons and molecules will be in a future clean energy system—which is one reason that the risks of transformation are so large and investors have so far backed only the most familiar options.
—Kassia Yanosek, Foreign Affairs, 29 Nov. 2023
See all Example Sentences for electron 
Dan Samorodnitsky, Quanta Magazine, 5 June 2024
The electron shield also creates a radiation belt that pummels visiting spacecrafts.
—Shi En Kim, Smithsonian Magazine, 22 May 2024
The most important energy source for life on Earth can also supply the planet with space weather storms — bursts of electrons, protons, radiation and other particles — that can potentially affect technology.
—Caralin Nunes, The Arizona Republic, 28 Feb. 2024
Nobody today knows what the right blend of electrons and molecules will be in a future clean energy system—which is one reason that the risks of transformation are so large and investors have so far backed only the most familiar options.
—Kassia Yanosek, Foreign Affairs, 29 Nov. 2023
See all Example Sentences for electron
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'electron.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near electron
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“Electron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron. Accessed 17 Jun. 2024.
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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