mortality rate

[ mawr-tal-i-tee reyt ]
/ mɔrˈtæl ɪ ti ˌreɪt /

noun

the relative frequency of deaths in a specific population during a specified time, often cited as the percentage of human deaths during a public health crisis, or of wildlife deaths due to environmental perils: Patients over the age of 80 had the highest mortality rate during the last flu season. The mortality rate of the bald eagle falls to about 25 percent after the first year of life.
Also called death rate [deth reyt] /ˈdɛθ ˌreɪt/, fa·tal·i·ty rate [fey-tal-i-tee reyt, fuh-] /feɪˈtæl ɪ ti ˌreɪt, fə-/.

Example sentences from the Web for mortality rate

British Dictionary definitions for mortality rate

mortality rate

noun

another term for death rate

Medical definitions for mortality rate

mortality rate

n.

death rate