/ Dictionary / Index R radiosensitive: Meaning and Definition of Find definitions for: ra•di•o•sen•si•tive Pronunciation: (rā"dē-ō-sen'si-tiv), [key] — adj. Pathol. (of certain tissues or organisms) sensitive to or destructible by various types of radiant energy, as x-rays, rays from radioactive material, or the like. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: radiosensitive (Thesaurus) radioscopy radiosensitizer Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language