disappearance Meaning, Definition & Usage

1. noun the act of leaving secretly or without explanation
   disappearing.
   
2. noun the event of passing out of sight
   
3. noun gradually ceasing to be visible
   fade.
   
4. noun ceasing to exist
   
   • 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

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