radiation fog
Americannoun
Etymology
Origin of radiation fog
First recorded in 1855–60
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Technically known as radiation fog, it can develop in any valley, but the geography of the Sacramento and San Joaquin valleys can make it particularly intense, resulting in several massive freeway pileups in recent years.
From Los Angeles Times • Dec. 9, 2025
This makes the air denser and increases relative humidity, condensing more water vapor, and resulting in a phenomenon known as radiation fog.
From National Geographic • Feb. 16, 2024
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
