noun. Any of a class of particles having a spin that is half an odd integer and obeying the exclusion principle, by which no more than one identical particle may occupy the same quantum state. The fermions include the baryons, quarks, and leptons.

noun. any particle that obeys Fermi-Dirac statistcs and is subject to the Pauli exclusion principle.

noun. A particle with totally antisymmetric composite quantum states, which means it must obey the Pauli exclusion principle and Fermi-Dirac statistics. They have half-integer spin. Among them are many elementary particles, most derived from quarks. Compare boson.

noun. any particle that obeys Fermi-Dirac statistics and is subject to the Pauli exclusion principle

"At low energies the Higgs gets a vacuum expectation value, and acts like a mass term, converting the left-handed fermion into a right-handed fermion, which is what you want."

fermionic  

particle  subatomic particle  

baryon  heavy particle  lepton  

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