Particle Physics any of a class of subatomic particles, including the proton, neutron, meson, and hyperon, that consist of a combination of quarks and antiquarks
Origin of hadronClassical Greek hadros, thick, strong + -on
Any of a class of subatomic particles that are composed of two or three quarks and participate in strong interactions. The class of hadrons is divided into the mesons and baryons.
Origin of hadronGreek hadros, thick; see sa- in Indo-European roots + –on1.
Ancient Greek ἁδρός (hadros, “thick”).