radiotherapy

noun

ra·​dio·​ther·​a·​py ˌrā-dē-ō-ˈther-ə-pē 

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

radiotherapist

ˌrā-dē-ō-ˈther-ə-pist 

noun

Examples of radiotherapy in a Sentence

Recent Examples on the Web

The last phase of treatment was radiotherapy which also was one of the first treatments developed against cancer. —Glenn Garner, Deadline, 1 Sep. 2024

Wearing dentures Having poor oral hygiene Having a dry mouth due to a medical condition or medication Smoking Undergoing chemotherapy or radiotherapy cancer treatment Is Oral Thrush an STI? —Angelica Bottaro, Verywell Health, 14 Aug. 2024

Treatments like chemotherapy and radiotherapy require patients to maintain their strength and research has shown that medical nutrition improves tolerance to the therapies. —Alena Botros, Fortune Europe, 17 June 2024

The radiotherapy and chemotherapy Fidaa needed was not available in Gaza, Maher said, so doctors referred her for medical treatment abroad. —Hajar Harb, Washington Post, 15 June 2024

Word History

Etymology

International Scientific Vocabulary

First Known Use

1902, in the meaning defined above

Medical Definition

radiotherapy

noun

ra·​dio·​ther·​a·​py ˌrād-ē-ō-ˈther-ə-pē 

plural radiotherapies

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

called also radiation therapy, radium therapy

compare radiodiagnosis