evaporation
n. uncountable B2 Upper Intermediate US //iˌvæpɝˈeɪʃən// UK //ɪvˌæpəɹˈeɪʃən// evap·o·ra·tion
n. the process of a liquid turning into a gas. This usually happens when the liquid gets warmer, like when water disappears from a puddle on a sunny day.
n. the process by which a substance in a liquid state changes into a gaseous state due to an increase in temperature or pressure. Often occurs at the surface of the liquid before reaching its boiling point.
Heat from the sun causes the evaporation of water from the lake.
The chef reduced the sauce through slow evaporation to concentrate the flavors before serving.
In arid climates, the rate of evaporation often exceeds the annual rainfall, leading to the gradual salination of local soil and water sources.
From French évaporation, from Latin evaporatio. Morphologically evaporate + -ion.