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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The result is a structural pattern in the chemistry that allows a very efficient transmission of electrons that can be refined on the atomic level.
—
Alex Knapp, Forbes.com, 23 May 2025
The gravitational pull of the star's remains would have been strong enough to crush together protons and electrons to form neutrons, meaning a neutron star is mostly made of neutrons.
—Charles Q. Choi, Space.com, 22 May 2025
But there are many other quantum objects that have access to far more than two states—think of something like all the possible energy states an electron could occupy when orbiting an atom.
—ArsTechnica, 14 May 2025
Current collectors are thin metallic layers that transport the electrons between the electrodes and the external circuit (both ways to and from the electrode).
—IEEE Spectrum, 10 May 2025
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Alex Knapp, Forbes.com, 23 May 2025
The gravitational pull of the star's remains would have been strong enough to crush together protons and electrons to form neutrons, meaning a neutron star is mostly made of neutrons.
—Charles Q. Choi, Space.com, 22 May 2025
But there are many other quantum objects that have access to far more than two states—think of something like all the possible energy states an electron could occupy when orbiting an atom.
—ArsTechnica, 14 May 2025
Current collectors are thin metallic layers that transport the electrons between the electrodes and the external circuit (both ways to and from the electrode).
—IEEE Spectrum, 10 May 2025
See All Example Sentences for electron
Cite this Entry
“Electron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron. Accessed 5 Jun. 2025.
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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