half-life: Meaning and Definition of

half-life

Pronunciation: (haf'līf", häf'-), [key]
— pl. -lives
  1. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
  2. the time required for the activity of a substance taken into the body to lose one half its initial effectiveness.
  3. a brief period during which something flourishes before dying out.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
half-length half-light
✖
 

 

sandbbox logo
©2022 Sandbox Networks Inc. All rights reserved. Sandbox Learning is part of Sandbox & Co., a digital learning company.