radiosensitizer

noun

ra·​dio·​sen·​si·​tiz·​er

variants also British radiosensitiser

-ˈsen(t)-sə-ˌtī-zər 

: a substance or condition capable of increasing the radiosensitivity of a cell or tissue

radiosensitization noun

also British radiosensitisation

-ˌsen(t)-sət-ə-ˈzā-shən 

radiosensitizing adjective

also British radiosensitising

-ˈsen(t)-sə-ˌtī-ziŋ