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 These are quantities, such as the speed of light or the mass of the electron, which physicists have determined do not change over time throughout the universe. Sophia Chen, Wired, 2 Aug. 2022 The raw materials are free and inexhaustible, so the price of an electron made from solar or wind is not subject to wide daily fluctuations. Tim Mcdonnell, Quartz, 28 July 2022 In an electrical circuit, the electron condensate in a wire is like water flowing through a pipe. Sumeet Kulkarni, Los Angeles Times, 2 July 2022 But by carefully controlling the trajectory of the electron, the experimenters should be able to nullify this potential interference—a process that Sudhir likens to throwing an invisibility cloak over the particle. Joanna Thompson, Scientific American, 20 May 2022 And just like an electron, the antiproton can shift between orbitals by absorbing or emitting a photon. John Timmer, Ars Technica, 16 Mar. 2022 An electron is best pictured as a wave, whose height in different places gives the probability of detecting the particle there. Quanta Magazine, 2 Aug. 2021 Every point of that electron’s journey to the point that it is consumed is tracked and recorded on a blockchain. Bernard Marr, Forbes, 15 July 2022 The strength and stability of buckyballs - in 60-atom form and bigger - has offered dozens of possible uses because of their shape and electron-bonding properties. Brian Murphy, BostonGlobe.com, 9 July 2022 See More

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.

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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Dictionary Entries Near electron

electromyograph

electron

electron affinity

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Statistics for electron

Last Updated

12 Aug 2022

Cite this Entry

“Electron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron. Accessed 17 Aug. 2022.

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More Definitions for electron

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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