Main entry: disappearance, disappearing
Definition: the act of leaving secretly or without explanation
Main entry: fade, disappearance
Definition: gradually ceasing to be visible
Main entry: disappearance
Definition: the event of passing out of sight
Main entry: disappearance
Definition: ceasing to exist
Usage: he regretted the disappearance of Greek from school curricula; what was responsible for the disappearance of the rainforest?; the disappearance of resistance at very low temperatures