fermion
noun
fer·mi·on
| \ ˈfer-mē-ˌän
, ˈfər-\
, ˈfər-\
Definition of fermion
: a particle (such as an electron, proton, or neutron) whose spin quantum number is an odd multiple of ¹/₂ — compare boson
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Other Words from fermion
fermionic
\ ˌfer-mē-ˈä-nik
, ˌfər- \
adjective
, ˌfər- \
adjective
Examples of fermion in a Sentence
Recent Examples on the Web
Every species of quarticle is either a boson or fermion. — Quanta Magazine, "Inside the Knotty World of ‘Anyon’ Particles," 28 Feb. 2017 Any two fermions that are within touching distance of each other must be different. — Chris Lee, Ars Technica, "Bose Einstein condensate may reveal supersolid’s secrets," 28 Nov. 2018 The quasiparticles produced here, called Majorana fermions, are their own antimatter. — Shannon Palus, Discover Magazine, "Electrons ‘Split’ in New Form of Matter," 22 Dec. 2016These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fermion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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