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pressure gradient

noun

, Meteorology.
  1. the change in atmospheric pressure per unit of horizontal distance in the direction in which pressure changes most rapidly.


pressure gradient

noun

  1. the change of pressure per unit distance See adverse pressure gradient favourable pressure gradient
  2. meteorol the decrease in atmospheric pressure per unit of horizontal distance, shown on a synoptic chart by the spacing of the isobars


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Word History and Origins

Origin of pressure gradient1

First recorded in 1915–20

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Example Sentences

The dependence of wind velocities on the pressure gradient is a fact of great importance in meteorology.

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