mortality /mɔɹˈtælɪti/noun 9forms 1 noun9 •The state or quality of being mortal. •The number of deaths; and, usually and especially, the number of deaths per time unit (usually per year), expressed as a rate. •Deaths resulting from an event (such as a war, epidemic or disaster).[…] the Mortality was so great in the Yard or Alley, that there was no Body left to give Notice to the Buriers or Sextons, that there were any dead Bodies there to be bury’d. — 1722 •The number of deaths per given unit of population over a given period of time.In foundling hospitals, and among the children brought up by parish charities the mortality is still greater than among those of the common people. — 1776 •The state of being susceptible to death.[H]er minde remembreth her mortalitie, / vvhat so is fayrest shall to earth returne. — 1595 •(figurative) Death.Why am I mockt with death, and length’nd out / To deathless pain? how gladly would I meet / Mortalitie my sentence, and be Earth / Insensible, — 1667 •(no longer used) The quality of being punishable by death.[…] actions of Charity do alleviate, as I may say, and take off from the Mortality of the Sin. — 1681 •(no longer used) The quality of causing death.[…] the Fevers of Women in Child-bed; to wit, both the Lacteal, and that called Putrid, which, by reason of its Mortality, deserves to be call’d Malignant. — 1685 •(figurative, no longer used) Mortals collectively.It is not fit Mortalitie should knowe / What his eternall prouidence decreed, — 1604 formsmortalities