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radio star
radio telescope
radio wave
radioactive
radioactive dating
radioactive decay
radioactive series
radioactive tracer
radioactive waste
radioactivity
radiobiology
radiobroadcasting
radiocarbon
radiocarbon dating
radiochemistry
radioelement
radiogenic
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radioactive waste
ra·di·o·ac·tive waste


noun 
Definition:
 
used radioactive materials: waste material that is radioactive, particularly the waste from nuclear reactors and medical treatment and research
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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