Preferred Term:
half life
Definition:
The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity.
Concept Schemes:
NALT Core
NALT Full
NALT Full
Broader Concept:
Entry Terms:
- halflife
- half-lives
- half-life
- half lives
URI:
https://lod.nal.usda.gov/nalt/44379
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2014-02-18
Exactly Matching Concepts: