Definition of "fermions" [fermions]

• Plural form of fermion. (noun)

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• "This principle was later found to be associated with the symmetry of wave functions for particles of half-integer spins in general, distinguishing what is now called fermions from the bosonic particles whose spins are integer multiples of."
• "My friends in physics tell me they are made of only vibrations of energy, called fermions, or more specifically quarks and leptons."
• "The field theories constructed around these vacua are entirely equivalent, but transitions between these vacua result in the anomalous production of fermions, which is the method by which the baryon number may change."