noun Date: 14th century the quality or state of being mortal, the death of large numbers (as of people or animals), death , the human race, 5. the number of deaths in a given time or place, the proportion of deaths to population, the number lost or the rate of loss or failure
MORTALITY
Meaning of MORTALITY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012