mortality rate

American  

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

noun

1. 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.

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mortality rate British  

noun

1. another term for death rate

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Etymology

Origin of mortality rate

First recorded in 1860–65

Example Sentences

The rising mortality rate tracks warming and drying linked to climate change, and the study found the fastest rise in hotter, dryer regions.

From Barron's

The findings raise the possibility that renewed involvement in religious organizations or even secular community groups might help counter rising mortality rates.

From Science Daily

“If Mr. Viera Reyes does have cancer, he needs aggressive treatment quickly to minimize his risk of widespread disease and a much higher mortality rate,” Wilcox stated.

From Los Angeles Times

"Sheep are very vulnerable to this, and if it gets into a sheep flock, there's a high mortality rate."

From BBC

People whose urinary arsenic levels fell from high to low had mortality rates that matched those who had consistently low exposure for the entire study.

From Science Daily