Radiation treatment in which the total dose of radiation is divided into small doses and treatments are given more than once a day. Also called hyperfractionated radiation therapy and superfractionated radiation therapy.
<oncology> An increased number of smaller dosage treatments of radiation therapy. ... (16 Dec 1997) ... 
Type: Term Pronunciation: hī′pĕr-frak-shŭn-ā′shŭn Definitions: 1. Radiation therapy that occurs more than once daily.