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

Those bills, which came from specialists in emergency medicine, anesthesiology, and radiology who treated her, totaled more than $5,000. —Michelle Andrews, Miami Herald, 30 Sep. 2025

For example, a doctor specializing in radiology doesn’t especially need to have refined their human-to-human interaction skills. —Lance Eliot, Forbes.com, 19 Sep. 2025

To cover patients with a wide range of conditions, the survey was conducted in radiology departments that carried out X-rays, CT scans, and MRIs. —New Atlas, 4 Sep. 2025

Green had recently been accepted into a radiology program at Oakland Community College and had just started her first semester, Gibson said. —Nushrat Rahman, Freep.com, 1 Sep. 2025

Word History

First Known Use

1900, in the meaning defined at sense 1

Rhymes for radiology

• aetiology
• anthropology
• archaeology
• archeology
• audiology
• cardiology
• climatology
• cohomology
• cosmetology
• criminology
• demonology
• dermatology

Kids 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

-ə-ˈläj-i-kəl

adjective

or radiologic

-ik

radiologist

-ˈäl-ə-jist

noun

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