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cold front
[ kohld-fruhnt ]
/ ˈkoʊld ˌfrʌnt /
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noun
the zone separating two air masses, of which the cooler, denser mass is advancing and replacing the warmer.
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Origin of cold front
First recorded in 1920–25
Words nearby cold front
Colden, cold feet, cold feet, get, cold fish, cold frame, cold front, cold fusion, Cold hands, warm heart, Cold Harbor, cold-hearted, coldie
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use cold front in a sentence
British Dictionary definitions for cold front
cold front
noun meteorol
the boundary line between a warm air mass and the cold air pushing it from beneath and behind as it moves
the line on the earth's surface where the cold front meets it
Compare warm 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 cold front
cold front
The forward edge of an advancing mass of cold air that pushes under a mass of warm air. Cold fronts often cause precipitation; water vapor in the rising warm air condenses and forms clouds, often resulting in heavy rain, thunderstorms, hail, or snow. Winter cold fronts can cause temperatures to drop significantly. Summer cold fronts reduce humidity as drier, cooler air displaces the humid, warmer air. On a weather map, a cold front is depicted as a blue line with triangles that point in the direction in which the cold air is moving. Compare occluded front warm front. See illustration at front.
The American Heritage® Science Dictionary
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