noun (plural mortalities)
1 [U] the state of being human and not living for ever:
After her mother's death, she became acutely aware of her own mortality.
2 [U] the number of deaths in a particular situation or period of time:
the infant mortality rate (= the number of babies that die at or just after birth) * Mortality from lung cancer is still increasing.
3 [C] (technical) a death:
hospital mortalities (= deaths in hospital)
