radiology

noun

ra·​di·​ol·​o·​gy ˌrā-dē-ˈä-lə-jē How to pronounce radiology (audio)
1
: a branch of medicine concerned with the use of radiant energy (such as X-rays) or radioactive material in the diagnosis and treatment of disease
2
: the science of radioactive substances and high-energy radiations

Examples of radiology in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Navigating the fallout Kara Skorupa, a 56-year-old health care attorney, has been a patient at Memorial for many years, and her husband has worked for a radiology group at the health system for over two decades. Miami Herald, 20 Feb. 2026 Data from Indeed provided to CNN also indicates there were more radiology jobs in 2025 compared to five years ago. Lisa Eadicicco, CNN Money, 9 Feb. 2026 So, the team brought in a postdoctoral researcher, Susan Gueble, MD, PhD, who is now an assistant professor of therapeutic radiology at YSM. Isabella Backman, Hartford Courant, 27 Jan. 2026 Medical imaging, including radiology — X-rays, mammograms, computed tomography, magnetic resonance imaging (MRI) and ultrasound — is a prominent area for AI diagnostic tools. Peter Shen, Baltimore Sun, 26 Jan. 2026 See All Example Sentences for radiology

Word History

First Known Use

1900, in the meaning defined at sense 1

Time Traveler
The first known use of radiology was in 1900

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Cite this Entry

“Radiology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiology. Accessed 27 Feb. 2026.

Kids Definition

radiology

noun
ra·​di·​ol·​o·​gy ˌrād-ē-ˈäl-ə-jə̄ How to pronounce radiology (audio)
: a branch of medicine concerned with the use of radiant energy (as X-rays) or radioactive material in the diagnosis and treatment of disease
radiological
-ə-ˈläj-i-kəl
adjective
or radiologic
-ik
radiologist
-ˈäl-ə-jist
noun

Medical Definition

radiology

noun
ra·​di·​ol·​o·​gy -jē How to pronounce radiology (audio)
plural radiologies
1
: the science of radioactive substances and high-energy radiations
2
: a branch of medicine concerned with the use of radiant energy (as X-rays or ultrasound) in the diagnosis and treatment of disease

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