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

Angioplasty is one of the vascular and radiology services offered on an outpatient basis at Vascular, which operated out of 7887 North Kendall Dr. during the 2015-2019 period in question. —David J. Neal, Miami Herald, 25 June 2025

Though cancer is traditionally treated through chemotherapy, radiology or surgical removal, newer biologic medicine offers a more precise approach, such as targeting the cancer cells through the body’s immune system. —Russell Flannery, Forbes.com, 24 June 2025

Your healthcare provider will likely perform the ultrasound in an outpatient clinic or hospital radiology department. —Carrie Madormo, Health, 25 May 2025

This multidisciplinary team may include specialists from urology, medical oncology, radiation oncology, radiology and supportive care services. —Dr. Jamin Brahmbhatt, CNN Money, 19 May 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