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radiologist

A radiologist is a doctor who detects and treats conditions using medical imaging, like x-ray machines. If you think you've broken your arm after a fall at the roller rink, you may need to see a radiologist.

A radiologist can x-ray your arm or leg and get a picture of the bones inside. Other tools available to radiologists include CT scans, MRIs, and ultrasound. These are all imaging techniques, and the word radiologist comes from the radiation that x-rays and CT scans use to create an image (from the Latin radiationem, "a shining"). Instead of radiation, ultrasounds use sound waves and MRIs use magnetic fields and radio waves.

Definitions of radiologist
  1. noun
    a medical specialist who uses radioactive substances and X-rays in the treatment of disease
    synonyms: radiotherapist
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    type of:
    medical specialist, specialist
    practices one branch of medicine
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