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. ).
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APAWordNet. (2010). half-life. Retrieved September 20, 2026, from http://smartdefine.org/half-life/definitions/1283877
ChicagoWordNet. 2010. "half-life" http://smartdefine.org/half-life/definitions/1283877 (accessed September 20, 2026).
HarvardWordNet 2010, half-life, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/half-life/definitions/1283877>.
MLAWordNet. "half-life" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/half-life/definitions/1283877>
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