radiotherapy

[rey-dee-oh-ther-uh-pee]

noun

Medicine/Medical.

1. treatment of disease by means of x-rays or of radioactive substances.

radiotherapy

/ ˌreɪdɪəʊˈθɛrəpɪ, ˌreɪdɪəʊˌθɛrəˈpjuːtɪk /

noun

1. the treatment of disease, esp cancer, by means of alpha or beta particles emitted from an implanted or ingested radioisotope, or by means of a beam of high-energy radiation Compare chemotherapy

Other Word Forms

• radiotherapist noun
• radiotherapeutic adjective
• radiotherapeutically adverb

Word History and Origins

Origin of radiotherapy¹

First recorded in 1900–05; radio- + therapy

Example Sentences

Mr Tottoh had radiotherapy to treat the damage to his bones.

From BBC

“That means unnecessary mastectomies, radiotherapy and chemotherapy,” she writes.

From Salon

Possible treatments include chemotherapy, radiotherapy and drugs that help to stop the cancer growing - either by blocking hormones, boosting the body's immune system or targeting what makes cancer cells grow.

From BBC

A trial originally began in July 2022, but the jury was discharged the following month after Brooks was admitted to hospital, suffering osteoradionecrosis - a medical complication of radiotherapy, which required surgery.

From BBC

The man was not offered chemotherapy or radiotherapy.

From BBC