electron

noun

elec·​tron i-ˈlek-ˌträn How to pronounce electron (audio)
: 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
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.
Then the electron grid relaxes, and its ripples pair electrons the way phonons do. Charlie Wood, WIRED, 12 Jan. 2025 What electrons have to be flowing for the universe to grant the Chiefs a win according to Watson? Vahe Gregorian, Kansas City Star, 12 Jan. 2025 Unlike, for example, a ball, which follows the straightforward rules of classical mechanics, electrons behave simultaneously as particles and waves, and their location cannot be exactly defined. Charina Chou, Foreign Affairs, 7 Jan. 2025 Photos or even electron scans of tissues; spike recordings from hundreds of cells.. tools for cleaning up data enough for analysis lagged. Amy Sterling, Forbes, 6 Jan. 2025 See all Example Sentences for electron 

Word History

Etymology

electr- + -on entry 2

First Known Use

1891, in the meaning defined above

Time Traveler
The first known use of electron was in 1891

Dictionary Entries Near electron

Cite this Entry

“Electron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron. Accessed 18 Jan. 2025.

Kids Definition

electron

noun
elec·​tron i-ˈlek-ˌträn How to pronounce electron (audio)
: 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 How to pronounce electron (audio)
: 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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