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pressure gradient
This term is primarily used in physics, meteorology, and fluid dynamics to describe the physical force that drives the movement of gases or liquids. It describes a state of imbalance; where a steep gradient exists, the resulting flow or wind is typically more intense.
In a meteorological context, the term is almost always used to explain the cause of wind. A "steep" or "strong" pressure gradient indicates a rapid change in pressure over a short distance, leading to high wind speeds, whereas a "weak" gradient results in calm or light winds.
Meanings
Examples
Air flows from high to low pressure because of the pressure gradient.
A steep pressure gradient usually leads to stronger winds.
The blood moves through the arteries driven by a pressure gradient created by the heart.
Look at the isobars on the map to determine the pressure gradient.
The fluid velocity depends directly on the magnitude of the pressure gradient.
I wonder if the pressure gradient in this chamber is stable enough for the experiment.
The storm intensified as the pressure gradient between the eye and the periphery sharpened.
We need to calculate the pressure gradient to predict the flow rate of the gas.