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  • noun

Synonyms for half-life

the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)

References in periodicals archive ?
There I was, concentrating on Halo 2 and Halflife 2 that I almost missed out on this gem.
In the typical study patient, eszopiclone has a 5- to 7-hour halflife.
If you want to live this sort of halflife, then fine.
013 a year, implying that a halflife on a logarithmic scale of output per worker is approximately 50 years.
Its very long halflife in the human organism causes its accumulation over the lifetime in liver and kidneys.
2) On ``illadelph halflife,'' the Roots expand rap's reach by eschewing heavy reliance on samples in favor of backing music that dips into opera, jazz and r&b.
BI-204 was well tolerated and pharmacokinetic results showed the halflife was in the expected range for fully human antibodies.
For the years after working at the plant, serum estimates were decayed at a rate of 18% per year, based on a presumed halflife of 3.