n. The relative sensitivity of cells or organisms to any form of radiation, but especially to the harmful effects of ionizing radiation
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. sensitivity to the action of radiant energy
Word Usage
"In the current work, we measure in vitro radiosensitivity and in vivo response of their xenograft tumors in a series of human tumor lines that represent the range of radiosensitivity observed in human tumor cells."