dew-point depression

dew-point depression

[′dü ‚pȯint di′presh·ən]
(chemical engineering)
Reduction of the liquid-vapor dew point of a gas by removal of a portion of the liquid (such as water) from the gas (such as air).
(meteorology)
The number of degrees the dew point is found to be lower than the temperature.
References in periodicals archive ?
At this altitude, there's a 15-degree C dew-point depression (temperature/dew-point spread).
A strategy for WX savvy: you can glance at the charts and then blindly accept Flight Service's prediction, or you can use a system to find what most pilots miss
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