# brachytherapy

> English word · Noun · IPA /ˌbɹækiˈθɛrəpi/ · frequency rank #89,180

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

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/brachytherapy