Meaning of radiosensitizer

ra•di•o•sen•si•tiz•er

Pronunciation: (rā"dē-ō-sen'si-tī"zur), [key]
— n.
  1. a substance, as a drug, that enhances the sensitivity of tissues or cells to radiation therapy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.