Temporal Concept
half-life
half·life
Subclass of:
Time
Definitions related to half-life:
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(half life) The amount of time needed for a material to lose half of its physical, chemical, or biological activity.NCI ThesaurusU.S. National Cancer Institute, 2021
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The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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