Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geology A method of estimating the
age ofigneous rocks or ofarchaeological objects by measuring the amount of argon that has built up through theradioactive decay of potassium.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon
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