fermions

(redirected from fermé)
Also found in: Dictionary, Thesaurus, Medical, Legal.
Related to fermé: closed

fermions

(fer -mee-on) A class of elementary particles with half integer units of spin; examples are electrons, protons, and neutrinos. No two fermions can exist possessing an identical set of quantum numbers (numbers assigned to the various quantities that describe a particle). Compare bosons.