Adjacent Words

fermion definitions

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WordNet (r) 3.0 (2005)

n
1: any particle that obeys Fermi-Dirac statistics and is subject to the Pauli exclusion principle

Merriam Webster's

noun Etymology: Enrico Fermi + English ²-on Date: 1947 a particle (as an electron, proton, or neutron) whose spin quantum number is an odd multiple of 1/2 — compare boson • fermionic adjective

Oxford Reference Dictionary

n. Physics any of several elementary particles with half-integral spin, e.g. nucleons (cf. BOSON). Etymology: as FERMI + -ON