evaporation evaporation /iːˌvæpɝˈeɪʃən/

noun

1. () The process of becoming a vapor  ( vaporisation [British] , vaporization , vapour [Canadian, British] , evaporation , vapor [American] )
   the process of becoming a vapor
     The sun's heat caused the evaporation of water from the surface of the lake.
   The sun's heat caused the evaporation of water from the surface of the lake.
   
   
2. The process of extracting moisture  ( dehydration , desiccation , drying up , evaporation )
   the process of extracting moisture