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radioactive dating

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for radio-active dating

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
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radio-active dating in Culture

radioactive dating definition


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.

Note: The best known example of radioactive dating employs carbon 14, a radioactive isotope of carbon.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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