adjective Meteorology.

  1. (of a wind or air current) moving downward or down a slope.Compare anabatic(def 1).


  1. (of winds) blowing downhill through having become denser with cooling, esp at night when heat is lost from the earth’s surfaceCompare anabatic

  1. Relating to wind currents that blow down a gradient, especially down the slopes of a mountain or glacier. When air comes in contact with the cool surface of a glacier or the upper regions of a mountain or slope, the air cools, becomes dense, and blows downward. Katabatic winds are usually cool and are especially common at night in polar regions. Compare anabatic.
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