What is the meaning of half life?

noun

  • The time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate. ).
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). half life. Retrieved September 20, 2026, from http://smartdefine.org/half_life/definitions/1325887
ChicagoWordNet. 2010. "half life" http://smartdefine.org/half_life/definitions/1325887 (accessed September 20, 2026).
HarvardWordNet 2010, half life, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/half_life/definitions/1325887>.
MLAWordNet. "half life" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/half_life/definitions/1325887>