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polar front

/ˌpoʊlər frənt/
IPA guide

Definitions of polar front
  1. noun
    the front of an advancing mass of colder air
    synonyms: cold front
    see moresee less
    types:
    squall line
    a cold front along which squalls or thunderstorms are likely
    type of:
    front
    (meteorology) the atmospheric phenomenon created at the boundary between two different air masses
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