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Related to wet deposition: dry deposition
The transfer of pollutants from the atmosphere to the earth by inclusion or solution in precipitation. Wet deposition typically involves gases and particulate matter, and especially acidic compounds or radioactive particles.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.