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radio interferometer
radio jet
radio source
radio spectrum
radio star
radio telescope
radio wave
radioactive
radioactive dating
radioactive decay
radioactive series
radioactive tracer
radioactive waste
radioactivity
radiobiology
radiobroadcasting
radiocarbon
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radioactive dating
ra·di·o·ac·tive dat·ing


noun 
Definition:
 
archaeology 
Same as  radiometric dating
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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