hyperfractionated radiation therapy

Definition of hyperfractionated radiation therapy
National Cancer Institute

hyperfractionated radiation therapy

(HY-per-FRAK-shuh-NAY-ted RAY-dee-AY-shun THAYR-uh-pee)
Radiation treatment in which the total dose of radiation is divided into small doses and treatments are given more than once a day. Hyperfractionated radiation therapy is given over the same period of time (days or weeks) as standard radiation therapy. Also called superfractionated radiation therapy.

Source: NCI Dictionary of Cancer Terms