warm front
[ wawrm-fruhnt ]
/ ˈwɔrm ˌfrʌnt /
noun Meteorology.
a transition zone between a mass of warm air and the colder air it is replacing.
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Origin of warm front
First recorded in 1920–25
Words nearby warm front
warm-down, warmed-over, warmed-up, war memorial, warmer-upper, warm front, warm heart, warm-hearted, warming pan, warminster broom, warmist
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for warm front
warm front
noun
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 frontCompare cold front, occluded front
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for warm front
warm front
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
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