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Pronunciation varies by accent · noun
The relative reactivity of cells or organisms to any form of radiation, but especially to the harmful effects of ionizing radiation.
Use radioreactivity when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Radioreactivity means The relative reactivity of cells or organisms to any form of radiation, but especially to the harmful effects of ionizing radiation.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use radioreactivity where its definition matches the intended context.
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