radiology
noun
ra·di·ol·o·gy
ˌrā-dē-ˈä-lə-jē 
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
In hospitals, the employees serve as patient care workers such as radiology technologists, nurse’s aides and patient transporters.
—
Jaweed Kaleem, Los Angeles Times, 15 Apr. 2026
Craig Heffentrager was treated at the interventional radiology suite at Jefferson Torresdale Hospital for metastatic colon cancer that spread to his liver.
—Stephanie Stahl, CBS News, 13 Apr. 2026
Important risk factors for developing an additional cancer later on in life include the cancer treatment the person received (chemotherapy, radiology, and/or hormone therapy) and age of initial cancer diagnosis.
—Tesfaye Negussie, ABC News, 13 Apr. 2026
In May 2024, a cyberattack paralyzed many of the organization’s digital resources, affecting electronic medical records systems, prescriptions and refills, credit card payments, processing of electronic lab and radiology orders and access to its patient portal online.
—Paul Sisson, San Diego Union-Tribune, 9 Apr. 2026
See All Example Sentences for radiology
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Jaweed Kaleem, Los Angeles Times, 15 Apr. 2026
Craig Heffentrager was treated at the interventional radiology suite at Jefferson Torresdale Hospital for metastatic colon cancer that spread to his liver.
—Stephanie Stahl, CBS News, 13 Apr. 2026
Important risk factors for developing an additional cancer later on in life include the cancer treatment the person received (chemotherapy, radiology, and/or hormone therapy) and age of initial cancer diagnosis.
—Tesfaye Negussie, ABC News, 13 Apr. 2026
In May 2024, a cyberattack paralyzed many of the organization’s digital resources, affecting electronic medical records systems, prescriptions and refills, credit card payments, processing of electronic lab and radiology orders and access to its patient portal online.
—Paul Sisson, San Diego Union-Tribune, 9 Apr. 2026
See All Example Sentences for radiology
Cite this Entry
“Radiology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiology. Accessed 30 Apr. 2026.
Copy CitationKids Definition
radiology
noun
ra·di·ol·o·gy
ˌrād-ē-ˈäl-ə-jə̄
: 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
adjective
-ə-ˈläj-i-kəl
or radiologic
-ik
radiologist
noun
-ˈäl-ə-jist
Medical Definition
radiology
noun
ra·di·ol·o·gy
-jē
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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