noun Télécharger 🔗Partager Photons The quantum of light and other electromagnetic energy, regarded as a discrete particle having zero rest mass, no electric charge, and an indefinitely long lifetime. It is a gauge boson. Examples : "Sunlight is made of tiny particles called photons. " La lumière du soleil est constituée de minuscules particules appelées photons. physics energy astronomy element phenomena Chat avec IAJeu de vocabulairePratiquer la lecture