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Definition of potassium-argon - 1 dictionary result
po·tas·si·um-ar·gon   (pə-tās'ē-əm-är'gŏn')
adj.  Of, relating to, or being a geologic dating method relying on the percentage of potassium in a specimen that has radioactively decayed to argon.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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