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steam fog

American  

noun

Meteorology.

  1. fog caused by cold air flowing over a body of comparatively warm water, the vapor condensing in small convective columns near the water surface and giving the appearance of smoke or steam.

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.

The original smokestack, present from 1907 until 1949, served as the exhaust for coal-fired boilers that powered a steam fog signal.

From Washington Times • Apr. 11, 2016

With the lighthouse and the steam fog signal house built on top of a cement pier supported by wooden pilings, the effects of water, wind and Michigan winters eventually took their toll.

From Washington Times • Apr. 26, 2015

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.