n (computer science) a natural language processing application that tries to determine the intended meaning of a word or phrase by examining the linguistic context in which it is used
n the act of leaving secretly or without explanation
n the event of passing out of sight
n gradually ceasing to be visible
n 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