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Related to hadron: baryon
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.
(Nuclear Physics) any elementary particle capable of taking part in a strong nuclear interaction and therefore excluding leptons and photons
[C20: from Greek hadros heavy, from hadēn enough + -on]
any of a group of elementary particles subject to the strong interaction, subdivided into baryons and mesons.
[1962; < Greek hadr(ós) thick, bulky + -on1]
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|Noun||1.||hadron - any elementary particle that interacts strongly with other particles|
antibaryon - the antiparticle of a baryon; a hadron with a baryon number of -1
antimeson - the antiparticle of a meson
antiquark - the antiparticle of a quark
baryon, heavy particle - any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1
elementary particle, fundamental particle - (physics) a particle that is less complex than an atom; regarded as constituents of all matter
meson, mesotron - an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0
quark - (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3; "quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally"