Definition of roentgen therapy in English:

roentgen therapy

(also röntgen therapy, rontgen therapy)

noun

Medicine
  • The therapeutic use of X-rays; radiotherapy; radiation therapy.

Origin

Early 20th century; earliest use found in Journal of the American Medical Association. From Roentgen + therapy, probably after German Röntgentherapie; compare French röntgenthérapie.

Pronunciation

roentgen therapy

/ˈrʌntɡən ˌθɛrəpi//ˈrʌntjən ˌθɛrəpi/