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half life

   Also found in: Medical, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
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Noun1.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)
half-life
period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"


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It has a half life of 83 million years, much longer than the 24,000 years of Plutonium 239.
How Did They Harvest the Plutonium Found Orbiting Saturn? by Dilip Dahanukar / News, opinion and commentary community
The cited half life and citing half life attempt to capture this
Impact factors in integrative and complementary medicine journals by Currie, Geoffrey M.; Wheat, Janelle M. / Australian Journal of Medical Herbalism
Nevertheless, its long half life is also relevant because suddenly discontinuing SSRIs is known to produce both somatic and psychological withdrawal symptoms, a phenomenon known as "SSRI discontinuation syndrome".
Things You Should Know before Taking Fluoxetine by Heather Colman / Health care industry community
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