noun
- the number of deaths per unit, usually 1000, of population in a given place and time.
noun
- the ratio of deaths in a specified area, group, etc, to the population of that area, group, etcAlso called (esp US): mortality rate
n.
- The ratio of total deaths to total population in a specified community or area over a specified period of time; often expressed as the number of deaths per 1,000 of the population per year.fatality rate mortality rate