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pressure gradient
noun
, Meteorology.
- the change in atmospheric pressure per unit of horizontal distance in the direction in which pressure changes most rapidly.
pressure gradient
noun
- the change of pressure per unit distance See adverse pressure gradient favourable pressure gradient
- 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 hood forms a seal around the wearer’s neck, but the system also creates a positive pressure gradient between the inside of the hood and the outside air—meaning that air wants to flow outward from the protective gear, and not into it.
From Popular-Science
The dependence of wind velocities on the pressure gradient is a fact of great importance in meteorology.
From Project Gutenberg
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