nuclear science
Academic and technical term covering the study of atomic nuclei, nuclear reactions, and their applications.
He is majoring in nuclear science at university.
Advances in nuclear science are contributing to energy issues.
核物理学 is nuclear physics, a subfield of 核科学 that focuses on the physical properties and behavior of atomic nuclei.
Compound of 核 (かく, 'nucleus') and 科学 (かがく, 'science').