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

According to the team, this technique bridges a 100-year-old gap in medicine between radiology and the study of biological tissue. —Laura Baisas, Popular Science, 11 Mar. 2026

The departure of the radiology group follows a lawsuit AIS filed against Trinity Health last November. —Livi Stanford, Hartford Courant, 10 Mar. 2026

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

An extra set of eyes on radiology scans, double-checking for signs of prostate cancer. —Emily Brindley, Chicago Tribune, 5 Mar. 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