1. The branch of medical science dealing with the medical use of X-rays or other penetrating radiation
   "He completed his residency in roentgenology at the university hospital";
   - radiology
    
2. (radiology) examination of the inner structure of opaque objects using X-rays or other penetrating radiation
   "roentgenology revealed a hairline fracture in the bone";
   - radioscopy, radiology

Type of: imaging, medical science, tomography

Encyclopedia: Roentgenology