# Half life

Half life has an easy answer.... What's the definiton?

 Perito Posts: 3,141, Reputation: 781 Ultra Member #2 Jun 22, 2009, 12:06 PM
Half-life is the length of time that it takes for 1/2 of a decomposable material (often a radioactive material) to decompose.

Half-life - Wikipedia, the free encyclopedia

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