Dictionary


ra'diomet'ric dat'ing




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. Also called radioactive dating.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

radiometerradiomicrometer

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