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Browse the Medical Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

biological half-life

Main Entry:: biological half–life
Variant(s):: or biologic half–life
Function:: noun

: the time that a living body requires to eliminate one half the quantity of an administered substance (as a radioisotope) through its normal channels of elimination

Learn more about "biological half-life" and related topics at Britannica.com

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