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radiant energy
radiant flux
radiant heat
radiant heating
radiate
radiation
radiation belt
radiation biology
radiation oncology
radiation pressure
radiation sickness
radiation therapy
radiational cooling
radiative collision
radiative forcing
radiator
radical
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radiation oncology
ra·di·a·tion on·col·o·gy


noun 
Definition:
 
treatment of cancer by radiation: the branch of medicine that studies the response of various cancers to types and intensity of radiation and that so treats those cancers

ra·di·a·tion on·col·o·gist noun
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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