background radiation
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Low-level radiation at the surface of the Earth that comes from cosmic rays and from small amounts of radioactive materials in rocks and the atmosphere.
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Words nearby background radiation
backgrounder, background extinction, background music, background processing, background projection, background radiation, back hack, backhand, backhanded, backhander, backhaul
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
How to use background radiation in a sentence
On an average the levels are only 10 times greater than the region's natural background radiation.
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