Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
radiosensitive is an adjective meaning "sensitive to radiation". It carries one recorded sense.
sensitive to radiation
“radiosensitive cancer cells can be treated with radiotherapy”
Definitions, synonyms and semantic relations for radiosensitive come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.