noun Télécharger 🔗Partager Neutron A subatomic particle forming part of the nucleus of an atom and having no charge; it is a combination of an up quark and two down quarks. Examples : "The atom's nucleus contains protons and neutrons. " Le noyau de l'atome contient des protons et des neutrons. physics element chemistry Chat avec IAJeu de vocabulairePratiquer la lecture