There are multiple definitions:
American Association of Physicists in Medicine(English)
- the largest medical physics organization in the USA, representing nearly 10,000 medical physicists and associated professionals. Its mission is advancing medicine through excellence in the science, education, and professional practice of medical physics, a broad-based scientific and professional discipline which encompasses physical principles with applications in biology and medicine
- SPEC, ESTRO
- Organizations (scientific), Medical Physics
- https://www.aapm.org/
American Academy of Pain Medicine(English)