effective half-life


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ef·fec·tive half-life

the time required for the body burden of an administered quantity of radioactivity to decrease by half through a combination of radioactive decay and biologic elimination.

ef·fec·tive half-life

(e-fektiv haflīf)
Time required for the body burden of an administered quantity of radioactivity to decrease by half through a combination of radioactive decay and biologic elimination.
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