noun
: the rate at which the temperature of an ascending or descending body of air is changed by adiabatic expansion or compression, being about 1.6° F. for each 300 feet of change of height ; also : a curve representing this
noun
: the rate at which the temperature of an ascending or descending body of air is changed by adiabatic expansion or compression, being about 1.6° F. for each 300 feet of change of height ; also : a curve representing this
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012