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

Reaching Communities In 2017 radiology specialist and physician Ileana Gill, who was working in Venezuela, feared her daughter might be dying. —Lauren J. Young, Scientific American, 14 Oct. 2025

The only mystery here is what Sylvia in radiology sees in you. —Bruce Headlam, New Yorker, 13 Oct. 2025

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

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