Sometime billions of years in the future, he predicts, the core and mantle could cool and solidify enough to meet the crust. If that happens, Earth will become a cold, dead planet like the moon. Long before such an occurrence, however, the Sun will likely have evolved into a red-giant star, and grown large enough to engulf our fair planet.
The term increment is occasionally used in physics and engineering to represent a small change in a parameter such as temperature, electric current, visible light intensity, or time. Also see Mathematical Symbols.
devaluation - an official lowering of a nation's currency; a decrease in the value of a country's currency relative to that of foreign countries. 1  regulating, regulation - the act of controlling or directing according to rule; fiscal regulations are in the hands of politicians.