say it: dis-uh-PIR-uhns
disappearance is a noun meaning "the act of leaving secretly or without explanation". It carries 4 recorded senses.
the act of leaving secretly or without explanation
the event of passing out of sight
gradually ceasing to be visible
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”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for disappearance come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.