Dictionary.com
Thesaurus.com

radiology

American  
[rey-dee-ol-uh-jee] / ˌreɪ diˈɒl ə dʒi /

noun

  1. the science dealing with x-rays or nuclear radiation, especially for medical uses.

  2. the examination or photographing of organs, bones, etc., with such rays.

  3. the interpretation of medical x-ray photographs.


radiology British  
/ ˌreɪdɪˈɒlədʒɪ /

noun

  1. the use of X-rays and radioactive substances in the diagnosis and treatment of disease

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

radiology Scientific  
/ rā′dē-ŏlə-jē /
  1. The branch of medicine that deals with diagnostic images of anatomic structures through the use of electromagnetic radiation or sound waves and that treats disease through the use of radioactive compounds. Radiologic imaging techniques include x-rays, CAT scans, PET scans, MRIs, and ultrasonograms.


radiology Cultural  
  1. The branch of medicine devoted to the study of images obtained by x-ray, ultrasound, CAT scans, or magnetic resonance imaging, and to the treatment of cancer by radiation therapy.


Other Word Forms

  • radiologist noun

Etymology

Origin of radiology

First recorded in 1895–1900; radio- + -logy