English Explanatory Dictionary

fermion

English dictionary entry

Meanings

noun
  1. Any elementary or composite particle that has half-integer spin and thus obeys Fermi–Dirac statistics and the Pauli exclusion principle (equivalently, a particle for which the wavefunction of any system of identical such particles changes sign whenever two are swapped); a baryon, a lepton or a quark;
  2. Any elementary or composite particle that has half-integer spin and thus obeys Fermi–Dirac statistics and the Pauli exclusion principle (equivalently, a particle for which the wavefunction of any system of identical such particles changes sign whenever two are swapped); a baryon, a lepton or a quark; (slightly more loosely) any such particle or any composite particle composed of fermions.
  3. any such particle or any composite particle composed of fermions.

Pronunciation

/ˈfɜːmɪɒn/ LL-Q1860 (eng)-Vealhurl-fermion.wav

Word forms

fermion fermions

Etymology

From Fermi + -on. Named after Italian-American physicist Enrico Fermi. Coined by English physicist Paul Dirac in 1945 in a lecture titled "Developments in Atomic Theory".

Synonyms

fermion

Related words

fermionic field

Derived words

antifermion cofermion difermion Dirac fermion fermionic fermionically fermionization fermionize fermiophobic heavy fermion Majorana fermion multifermion parafermion pseudofermion sfermion skyrmion superfermion technifermion Weyl fermion

Translations

Arabic: فرميون Armenian: ֆերմիոն Basque: fermioi Bengali: ফার্মিয়ন Catalan: fermió Chinese Mandarin: 费米子 Czech: fermion Danish: fermion Dutch: fermion Esperanto: fermiono Finnish: fermioni French: fermion German: Fermion Hungarian: fermion Ido: fermiono Italian: fermione Japanese: フェルミ粒子 Japanese: フェルミオン Khmer: ផ្វឺរមីយាណូ Mongolian: фермион Norwegian Bokmål: fermion Norwegian Nynorsk: fermion Persian: فرمیون Polish: fermion Brazilian Portuguese: férmion European Portuguese: fermião Russian: фермио́н Serbo-Croatian: фермион Serbo-Croatian: fermion Slovene: fermion Spanish: fermión Swedish: fermion Turkish: fermiyon
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