warm front

[ wawrm-fruhnt ]
See synonyms for warm front on Thesaurus.com
nounMeteorology.
  1. a transition zone between a mass of warm air and the colder air it is replacing.

Origin of warm front

1
First recorded in 1920–25

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use warm front in a sentence

  • Jumbles lies curled upon the warm front doorstep; Dimbie lies asleep in a low hammock chair.

    Dimbie and I--and Amelia | Mabel Barnes-Grundy

British Dictionary definitions for warm front

warm front

noun
  1. meteorol the boundary between a warm air mass and the cold air above which it is rising, at a less steep angle than at the cold front: Compare cold front, occluded front

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for warm front

warm front

  1. The forward edge of an advancing mass of warm air that rises over and replaces a retreating mass of cooler air. As it rises, the warm air cools and the water vapor in it condenses, usually forming steady rain, sleet, or snow. On a weather map, a warm front is depicted as a red line with half circles whose curved sides point in the direction in which the warm air is moving. Compare cold front occluded front. See illustration at front.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.