radiotherapy

noun
ra·dio·ther·a·py | \ˌrā-dē-ō-ˈther-ə-pē \

Definition of radiotherapy 

: the treatment of disease with radiation (such as X-rays)

Keep scrolling for more

Other Words from radiotherapy

radiotherapist \ˌrā-dē-ō-ˈther-ə-pist \ noun

Examples of radiotherapy in a Sentence

Recent Examples on the Web

Similarly, the radiotherapy that could cure her lymphatic cancer couldn't be performed because her weakened lungs and heart would likely fail. Fox News, "Woman diagnosed with 2 terminal illnesses given 6 months to live," 2 May 2018 There should be more options than chemotherapy and radiotherapy. Fox News, "Mom battling rare cancer in race against time to create memories with toddler son," 16 May 2018 Because chemotherapy and radiotherapy can make one sterile, women can freeze their eggs before treatment, the BBC reported. Amy Lieu, Fox News, "Human eggs grown in lab for first time, creating hope for young females with cancer," 15 Mar. 2018 Both medical imaging and radiotherapy are mainstays of global health care, and their consistent application saves lives every day. John Ericson, Newsweek, "Death Rays," 2 Apr. 2014 Today radiotherapy is considerably safer for its practitioners and more beneficial to its recipients. The Economist, "Knives, beams, drugs and antibodiesToday’s anti-cancer tools are ever better wielded," 14 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radiotherapy.' 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 radiotherapy

1902, in the meaning defined above

History and Etymology for radiotherapy

International Scientific Vocabulary

Keep scrolling for more

Learn More about radiotherapy

Share radiotherapy

Statistics for radiotherapy

Last Updated

28 Sep 2018

Look-up Popularity

Time Traveler for radiotherapy

The first known use of radiotherapy was in 1902

See more words from the same year

Keep scrolling for more

More Definitions for radiotherapy

radiotherapy

noun
ra·dio·ther·a·py | \ˌrād-ē-ō-ˈther-ə-pē \
plural radiotherapies

Medical Definition of radiotherapy 

: the treatment of disease by means of radiation (as X-rays)

called also radiation therapy, radium therapy

— compare radiodiagnosis

More from Merriam-Webster on radiotherapy

Britannica.com: Encyclopedia article about radiotherapy

Comments on radiotherapy

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

WORD OF THE DAY

one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

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

TAKE THE QUIZ

Love words? Need even more definitions?

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