biological half-life(redirected from Biological halflive)
Also found in: Dictionary, Medical.
biological half-life[¦bī·ə¦läj·ə·kəl ′haf ‚līf]
The time required by the body to eliminate half of the amount of an administered substance through normal channels of elimination.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.