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radio cassette
radio compass
radio-controlled
radio frequency
radio galaxy
radio interferometer
radio jet
radio source
radio spectrum
radio star
radio telescope
radio wave
radioactive
radioactive dating
radioactive decay
radioactive series
radioactive tracer
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radio spectrum
ra·di·o spec·trum


noun 
Definition:
 
all radio frequencies: the range of radio frequencies used for radio, television, and other electromagnetic communications, between 10 Khz and 300 MHz
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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