elementary fermion

Any of a class of fermions that has one-half unit of spin and is an elementary particle. The class of elementary fermions is divided into the quarks and leptons. Also called fundamental fermion.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Mentioned in

bottom quark
charm quark
down quark
family
fundamental fermion
in the family way
lepton
muon
neutrino
strange quark
tau lepton
top quark
up quark

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