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1. (n.) radiometric dating
any method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.
Etymology: (1965–70)
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| Definition of 'radiometric dating' |
U.S. National Library of Medicine |
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1. radiometric dating
Techniques used to determine the age of materials, based on the content and half-lives of the RADIOACTIVE ISOTOPES they contain.
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