The Oxford Thesaurus An A-Z Dictionary of Synonyms - evaporationn.

1) vaporization, drying (up or out) , dehydration, desiccation, exsiccation, parching, searing: Clouds are formed by the evaporation of terrestrial water. 2) disappearance, dispersion, dispelling, dissipation, evanescence, dematerialization, dissolution, fading (away) , melting (away) : He was pleased to note the evaporation of all serious opposition.