warm front
noun
Definition of warm front
: an advancing edge of a warm air mass
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Examples of warm front in a Sentence
An approaching warm front often means that rain is coming.
First Known Use of warm front
1921
WARM FRONT Defined for English Language Learners
warm front
noun
Definition of warm front for English Language Learners
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: the front edge of a moving mass of warm air
Learn More about warm front
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See words that rhyme with warm front Britannica.com: Encyclopedia article about warm front
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