1. a medical doctor who specializes in using medical imaging techniques such as X-rays, CT scans, and MRIs to diagnose and treat diseases

Examples

• The radiologist examined the X-ray and found no signs of a fracture.
• After the MRI scan, the radiologist will review the images and send a report to your doctor.
• She decided to become a radiologist because she was fascinated by medical imaging technology.
• The radiologist detected an abnormality in the patient’s chest CT scan.
• Our hospital’s radiologist is known for her expertise in interpreting mammograms.
• The emergency room doctor consulted with the radiologist about the patient’s head injury.