radiology

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

noun

the science dealing with x-rays or nuclear radiation, especially for medical uses.
the examination or photographing of organs, bones, etc., with such rays.
the interpretation of medical x-ray photographs.

Nearby words

  1. radiolocation,
  2. radiolocator,
  3. radiological,
  4. radiological anatomy,
  5. radiologist,
  6. radiolucent,
  7. radioluminescence,
  8. radiolysis,
  9. radioman,
  10. radiometeorograph

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. 2019

Examples from the Web for radiology



British Dictionary definitions for radiology

radiology

/ (ˌreɪdɪˈɒlədʒɪ) /

noun

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 radiology

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

Medicine definitions for radiology

radiology

[ rā′dē-ŏlə-jē ]

n.

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.
The use of radiation for the scientific examination of material structures; radioscopy.
Related formsra′di•o•logi•cal (-ə-lŏjĭ-kəl) null adj.ra′di•olo•gist n.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for radiology

radiology

[ rā′dē-ŏlə-jē ]

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.

Culture definitions for radiology

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.