Medical Definition of Puberty, precocious. Puberty, precocious: Precocious puberty is the unusually early development of secondary sexual features. The onset of sexual maturation in a girl before age 8 or a boy before age 9 is usually considered to be precocious puberty. Last Editorial Review: 7/1/2016.
Evaporative coolers lower the temperature of air using the principle of evaporative cooling, unlike typical air conditioning systems which use vapor-compression refrigeration or absorption refrigerator. Evaporative cooling is the addition of water vapor into air, which causes a lowering of the temperature of the air.
This is how evaporative cooling works. Think of how boiling noodles on the stove works. The stove transfers heat to the water in the pot. The water absorbs the heat, and then leaves the pot as steam, taking the heat with it. Evaporative Cooling Importance. Evaporative cooling is used in both biological and mechanical processes.