pandemic:1

adjective
pan*dem*ic \ pan-ˈde-mik \
1659{ds||1||}
  • occurring over a wide geographic area (such as multiple countries or continents) and typically affecting a significant proportion of the population
  • characterized by very widespread growth or extent : epidemic

pandemic:2

noun
pandemic \
1832{ds||1||}
  • an outbreak of a disease that occurs over a wide geographic area (such as multiple countries or continents) and typically affects a significant proportion of the population : a pandemic outbreak of a disease
  • an outbreak or product of sudden rapid spread, growth, or development : epidemic
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