pressure gradient

noun Meteorology.

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

Origin of pressure gradient

First recorded in 1915–20
Also called barometric gradient. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for barometric gradient

pressure gradient


the change of pressure per unit distanceSee 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012