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

The new health center is slated to have numerous technological upgrades in areas such as radiology, endoscopy and catheterization laboratories. —Victoria Baeza Garcia, Dallas Morning News, 5 Mar. 2026

Fulgham said there are AI tools that double check radiology scans to identify risk factors that a human radiologist might have missed. —Emily Brindley, Chicago Tribune, 5 Mar. 2026

Of the 950 artificial intelligence and machine learning tools that received FDA approval between 1995 and 2024, 723 were radiology devices. —William Warr, Time, 4 Mar. 2026

This work stemmed from our collaboration with the radiology clinic. —Georgina Jedikovska, Interesting Engineering, 23 Feb. 2026

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