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radiology

[rey-dee-ol-uh-jee]
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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.

Origin of radiology

First recorded in 1895–1900; radio- + -logy
Related formsra·di·ol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for radiologist

radiology

noun
  1. the use of X-rays and radioactive substances in the diagnosis and treatment of disease
Derived Formsradiologist, noun
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

Word Origin and History for radiologist

radiology

n.

1900, "medical use of X-rays," later extended to "scientific study of radiation," from radio-, comb. form of radiation, + Greek-based scientific suffix -ology. Related: Radiological.

Online Etymology Dictionary, © 2010 Douglas Harper
radiologist in Medicine

radiology

(rā′dē-ŏl′ə-jē)
n.
  1. The branch of medicine that makes diagnostic images of anatomic structures through the use of electromagnetic radiation or sound waves and that treats disease through the use of radioactive compounds. Radiological imaging techniques include x-rays, CAT scans, PET scans, MRIs, and ultrasonograms.
  2. The use of radiation for the scientific examination of material structures; radioscopy.
Related formsra′di•o•log′i•cal (-ə-lŏj′ĭ-kəl) null adj.ra′di•ol′o•gist n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
radiologist in Science

radiology

[rā′dē-ŏl′ə-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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
radiologist in Culture

radiology

[(ray-dee-ol-uh-jee)]

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.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.