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2017 Word of the Year

radiation fog

noun
1.
fog produced by the nocturnal cooling of the surface boundary layer to a temperature at which its content of water vapor condenses.
Also called ground fog.
Origin of radiation fog
1855-1860
First recorded in 1855-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Word Value for radiation

10
11
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