What does "brachytherapy" mean?

Radiotherapy using radioactive sources positioned within (or close to) the treatment volume, typically with radiopharmaceuticals as opposed to external-beam sources.

How do you pronounce "brachytherapy"?

Pronounced //ˌbɹækiˈθɛrəpi//.

Brachytherapy

Q: What is a synonym for "brachytherapy"?

Common synonyms include: curietherapy, curietherapy, endocurietherapy, endocurietherapy, internal radiotherapy, internal radiotherapy.

//ˌbɹækiˈθɛrəpi// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Radiotherapy using radioactive sources positioned within (or close to) the treatment volume, typically with radiopharmaceuticals as opposed to external-beam sources. countable, uncountable

Synonyms

All synonyms

curietherapy curietherapy endocurietherapy endocurietherapy internal radiotherapy internal radiotherapy

Etymology

From Ancient Greek βραχύς (brakhús, “short, not far off”) + θεραπεία (therapeía, “attendance, treatment, healing, service”); brachy- + therapy.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.