occluded front

noun Meteorology.
a composite front formed when a cold front overtakes a warm front and forces it aloft.
Also called occlusion.


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World English Dictionary
occluded front
meteorol Also called: occlusion the line or plane occurring where the cold front of a depression has overtaken the warm front, raising the warm sector from ground level

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
occluded front  [%PREMIUM_LINK%]     (ə-kl'dĭd)  Pronunciation Key 
The front formed when a cold front occludes a warm front. Compare cold front, warm front.

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