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adiabat

 
(′ad·ē·ə′bat)

(meteorology) The relatively constant rate (5.5°F/100 feet or 10°C/kilometer) at which a mass of air cools as it rises.


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Geography Dictionary: adiabat
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A line plotted on a thermodynamic diagram, usually on a tephigram, showing as a continuous sequence the temperature and pressure states of a parcel of air with changing height. Dry adiabats show temperature change at the dry adiabatic lapse rate.

 
 

 

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