noun, Meteorology.
a vigorous thrust of cold, polar air across temperate regions.


Read Also:

  • Polar-regions

    plural noun 1. the regions within the Arctic and Antarctic circles.

  • Polar sequence

    noun 1. (astronomy) a series of stars in the vicinity of the N celestial pole whose accurately determined magnitudes serve as the standard for visual and photographic magnitudes of stars

  • Polar star

    polar star n. See daughter star.

  • Polar wander

    noun 1. (geology) the movement of the earth’s magnetic poles with respect to the geographic poles

Disclaimer: Polar-outbreak definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.