The ability of some cells or tissues to survive lethal doses of IONIZING RADIATION. Tolerance depends on the species, cell type, and physical and chemical variables, including RADIATION-PROTECTIVE AGENTS and RADIATION-SENSITIZING AGENTS.

Synonyms: Sensitivities, Radiation, Sensitivity, Radiation, Radiation Sensitivity, Tolerances, Radiation, Radiosensitivities, Radiosensitivity, Tolerance, Radiation, Radiation Sensitivities, Radiation Tolerance, Radiation Tolerances