electron

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

Definition of electron

: 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 Like iron-core collapse supernovas, electron-capture supernovas produce neutrons stars. Elizabeth Gamillo, Smithsonian Magazine, 1 July 2021 Astronomers from UC Davis contributed the spectral analysis that proved to be a key piece of evidence that this was, indeed, an electron-capture supernova. Jennifer Ouellette, Wired, 29 June 2021 This marks an important advancement in the world of electron microscopy. Anna Blaustein, Scientific American, 28 June 2021 For instance, the neutrinos investigated by the MINOS experiment average about six billion electron volts of energy. Don Lincoln, Forbes, 1 June 2021 But on its own it’s erratic, always wanting to give up an electron and take on a charge. Gregory Barber, Wired, 17 June 2021 The Standard Model is one such QFT, depicting fundamental particles like electrons as fuzzy bumps that emerge from an infinitude of electron fields. Quanta Magazine, 17 June 2021 By that point, the SARS-CoV-2 virus, which causes Covid-19, had been identified using electron microscopy; there was no need to use metagenomic sequencing to find a mystery agent. New York Times, 3 June 2021 After filtering the dust from the snow, the team used electron microscopy, x-ray spectroscopy and other techniques to analyze more than 2,000 particles ranging from 12 to 700 microns. Sarah Derouin, Scientific American, 29 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electron.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of electron

1891, in the meaning defined above

History and Etymology for electron

electr- + -on entry 2

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Time Traveler for electron

Time Traveler

The first known use of electron was in 1891

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Statistics for electron

Last Updated

7 Jul 2021

Cite this Entry

“Electron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron. Accessed 27 Jul. 2021.

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More Definitions for electron

electron

noun

English Language Learners Definition of electron

physics : a very small particle of matter that has a negative charge of electricity and that travels around the nucleus of an atom

electron

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

Kids Definition of electron

: a very small particle that has a negative charge of electricity and travels around the nucleus of an atom

electron

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

Medical Definition of electron

: 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

More from Merriam-Webster on electron

Nglish: Translation of electron for Spanish Speakers

Britannica English: Translation of electron for Arabic Speakers

Britannica.com: Encyclopedia article about electron

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