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radioactive dating

noun

  1. another term for radiometric dating
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


radioactive dating

  1. A process for determining the age of an object by measuring the amount of a given radioactive material it contains. If one knows how much of this radioactive material was present initially in the object (by determining how much of the material has decayed), and one knows the half-life of the material, one can deduce the age of the object.


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Notes

The best known example of radioactive dating employs carbon 14 , a radioactive isotope of carbon .
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Example Sentences

Radioactive dating does show that the Earth is billions and not thousands of years old, refuting young-Earth creationism.

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