chronic radiation dose

The Oxford Essential Dictionary of the U.S. Military

chronic radiation dose a dose of ionizing radiation received either continuously or intermittently over a prolonged period of time.

A chronic radiation dose may be high enough to cause radiation sickness and death, but if received at a low-dose rate, a significant portion of the acute cellular damage will be repaired.
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© The Oxford Essential Dictionary of the U.S. Military 2001, originally published by Oxford University Press 2001.

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