radiotherapeutics meaning

or rādiotherapeutˈics noun
  Treatment of disease, esp cancer, by radiation, eg by X-rays, etc

[Medicine]
n pl but sing in constr : RADIOTHERAPY

Examples

1. In 1946, he returned to England and became Professor of Radiotherapeutics at the University of Cambridge.
2. In 1975, he stepped down from the Regius Professorship and returned to his previous appointment of Professor of Radiotherapeutics.