plural of infant mortality rate

plural of infant mortality

(now chiefly historical) The belief that the soul is mortal like the body.

The process, or the result of mortalizing

(archaeology, paleontology) The process by which individuals in a population die off in large numbers as part of a single event (rather than one by one, from a variety of causes).

(archaeology, paleontology) The process by which individuals in a population die off one by one from a variety of causes (rather than in large numbers as part of a single event).