noun🔗Share광자The 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."Sunlight is made of tiny particles called photons. "햇빛은 광자라고 불리는 작은 입자들로 이루어져 있다.physicsenergyastronomyelementphenomenaChat with AIVocabulary GamePractice Reading
