frost point


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frost point

[′frȯst ‚pȯint]
(meteorology)
The temperature to which atmospheric moisture must be cooled to reach the point of saturation with respect to ice.

frost point

The temperature at which moist air must be cooled to just reach the condition of saturation with respect to a plane's ice surface. It is basically a dew point, except its value is below 0°C. See dew point.