A constituent of hadrons. Quarks come in six flavors and three colors each. Three quarks make up the baryons, whereas a quark and an antiquark make up the mesons
The other, heavier, quarks are called strange, charm, bottom, and top.
See also: Antiquark, Baryon, Bosons, Bottom, Charm, Charmed Quark, Colour Charge, Colour, Down Quark, Fermions, Fundamental Particle, Gluon, Kaon, Lambda, Quark Theory of the Structure of Matter, Strange, Strange Particle, Strange Quark, Strong Interaction, Top, Top Quark, Up Quark, Weak Interaction.
Subjects: Nuclear and Particle Physics