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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This X-ray glow is radiated when the heavy ions of the solar wind, like carbon and oxygen, grab an electron from neutral atoms in either our outer atmosphere or the heliosphere. —
Robert Lea, Space.com, 24 Apr. 2026 Advanced microscopy enabled visualization of individual atoms and chemical bonds, allowing detection of tiny irregularities and measurement of electron behavior within the nanoribbons. —Mrigakshi Dixit, Interesting Engineering, 23 Apr. 2026 His team used a synchrotron — a machine that produces extremely powerful beams of light by accelerating electrons to very high speeds — to peer inside the rock without breaking it open. —Samantha Agate, Miami Herald, 23 Apr. 2026 Clements’ team examined the fossil using a synchrotron, a machine that produces extremely powerful beams of light by accelerating electrons to very high speeds. —Samantha Agate, Fort Worth Star-Telegram, 23 Apr. 2026 See All Example Sentences for electron
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Robert Lea, Space.com, 24 Apr. 2026 Advanced microscopy enabled visualization of individual atoms and chemical bonds, allowing detection of tiny irregularities and measurement of electron behavior within the nanoribbons. —Mrigakshi Dixit, Interesting Engineering, 23 Apr. 2026 His team used a synchrotron — a machine that produces extremely powerful beams of light by accelerating electrons to very high speeds — to peer inside the rock without breaking it open. —Samantha Agate, Miami Herald, 23 Apr. 2026 Clements’ team examined the fossil using a synchrotron, a machine that produces extremely powerful beams of light by accelerating electrons to very high speeds. —Samantha Agate, Fort Worth Star-Telegram, 23 Apr. 2026 See All Example Sentences for electron
Cite this Entry
“Electron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/electron. Accessed 26 Apr. 2026.
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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