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mortality definition

mor·tal·ity (môr tal′ə tē)

noun

  1. the condition of being mortal; esp., the nature of a human being, as having eventually to die
  2. death on a large scale, as from disease or war
    1. the proportion of deaths to the population of a region, nation, etc.; death rate
    2. the death rate from a particular disease
  4. the number or proportion that fail the high mortality of first-year students
  5. human beings collectively
  6. Obsolete death

Etymology: ME mortalite < OFr < L mortalitas < mortalis, mortal

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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