ra·​di·​ol·​o·​gy | \ ˌrā-dē-ˈä-lə-jē \

Definition of radiology

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

Charges from UCHealth, plus other charges from the independent physicians and anesthesia, pathology, emergency medicine and radiology departments brought Mr. Stockman’s total bill for his time in Colorado to more than $1 million. Stephanie Armour, WSJ, "John Stockman’s Medical Bills Topped $1 Million. What Happened?," 27 Dec. 2018 Many health care jobs such as radiology and physical therapy are growing and don't require college degrees. Fox News, "Trump promotes job training as employers search for workers," 19 July 2018 One reason for the variation may be differences in how doctors train and practice across the country, said Dr. Benjamin Franc, a radiology and biomedical imaging professor at the University of California, San Francisco, and an author of the study. Melanie Evans, WSJ, "Many Breast Cancer Patients Don’t Get Recommended Follow-Up, Study Finds," 16 July 2018 Meike Vernooij, a professor in epidemiology and radiology at Erasmus University Medical Center in the Netherlands, and her colleagues wanted to see how diet might impact the brain. Alice Park, Time, "How What You Eat May Affect Your Brain Size," 16 May 2018 Graves’ disease is diagnosed through blood work or radiology tests. Andrea K. Mcdaniels,, "What is Graves' disease? A MedStar endocrinologist explains," 5 Apr. 2018 According to Gao Peiyi, head of the radiology department at Tian Tian hospital, the human results were better than average accuracy in ordinary hospitals. Laura Yan, Popular Mechanics, "Chinese AI Beats Doctors in Diagnosing Brain Tumors," 14 July 2018 The facility includes an imaging center for adult and pediatric patients, radiology and diagnostic labs and a primary care clinic offering services ranging from sick visits to chronic disease management. Jennifer Michelle Greenberg, Houston Chronicle, "Memorial Hermann opens League City care facility," 26 Mar. 2018 The new ownership group plans to build an outpatient facility with an urgent care, a surgery center, a radiology department, a lab, and rooms for multiple medical specialties, said Allied Pacific Chairman Kenneth Sim. Frank Shyong,, "Chinatown's only hospital will reopen as an outpatient clinic," 6 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radiology.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of radiology

1900, in the meaning defined at sense 1

Keep scrolling for more

Learn More about radiology

Statistics for radiology

Last Updated

27 Jan 2019

Look-up Popularity

Time Traveler for radiology

The first known use of radiology was in 1900

See more words from the same year

Keep scrolling for more

More Definitions for radiology



English Language Learners Definition of radiology

medical : a branch of medicine that uses some forms of radiation (such as X-rays) to diagnose and treat diseases


ra·​di·​ol·​o·​gy | \ -jē \
plural radiologies

Medical Definition of radiology

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

Keep scrolling for more

More from Merriam-Webster on radiology

Rhyming Dictionary: Words that rhyme with radiology

Spanish Central: Translation of radiology

Nglish: Translation of radiology for Spanish Speakers

Britannica English: Translation of radiology for Arabic Speakers Encyclopedia article about radiology

Comments on radiology

What made you want to look up radiology? Please tell us where you read or heard it (including the quote, if possible).


marked by fawning attentiveness

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!