disappearance

noun4

1. •
   The action of disappearing or vanishing.

   • Wireless phone technology led to the disappearance of once-common coiled cords for telephone handsets.
2. •
   Cessation of existence.
3. •
   Leaving secretly of without explanation

   • The prosecuting attorney was concerned about the potential disappearance of witnesses.
4. •
   Passing out of sight.

   • From the shore, they watched the disappearance of the ships' masts into the haze.