radiotherapy
Concise Oxford English Dictionary © 2008 Oxford University Press:
radiotherapy/reɪdiəʊˈθerəpi/
▶noun the treatment of cancer or other disease using X-rays or similar radiation.
– derivatives
radiotherapeutic adjective,
radiotherapist noun.
radiotherapeutic adjective,
radiotherapist noun.
'radiotherapy' also found in these Oxford entries:

