fermion

noun

fer·​mi·​on ˈfer-mē-ˌän How to pronounce fermion (audio)
ˈfər-
: a particle (such as an electron, proton, or neutron) whose spin quantum number is an odd multiple of ¹/₂ compare boson
fermionic adjective

Examples of fermion in a Sentence

Recent Examples on the Web But many of the matter particles that make up our world, such as electrons, are fermions, which have half-integer amounts of spin. Charlie Wood, Quanta Magazine, 25 Sep. 2024 This possibility arises from a fundamental difference between bosons and fermions. Chanda Prescod-Weinstein, Scientific American, 1 Apr. 2022 There, the buses are fermions, and always arrive exactly on time. Daniel Holz, Discover Magazine, 5 Mar. 2010 Many different materials display this strange metallic behavior, such as cuprates, organic molecular crystals, heavy fermion metals, and twisted bilayer graphene, among others. IEEE Spectrum, 4 Jan. 2024 See all Example Sentences for fermion 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fermion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Enrico Fermi + English -on entry 2

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of fermion was in 1947

Dictionary Entries Near fermion

Cite this Entry

“Fermion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fermion. Accessed 22 Oct. 2024.

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