|—n , pl -ties|
|1.||the condition of being mortal|
|2.||great loss of life, as in war or disaster|
|3.||the number of deaths in a given period|
|5.||an obsolete word for death|
mortality mor·tal·i·ty (môr-tāl'ĭ-tē)
The quality or condition of being mortal.
in demographic usage, the frequency of death in a population
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