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 infant mortality rate is three times higher than in Denmark.

From The Wall Street Journal

Counties closer to nuclear power plants experienced higher cancer mortality rates.

From Science Daily

Studies show that ʻiʻiwi, also known as the scarlet honeycreeper, face a mortality rate of about 90 percent if infected.

From Science Daily

The figures released Thursday reflect the most recent final federal data on U.S. mortality rates.

From The Wall Street Journal

"People of color face both higher baseline mortality rates and higher rates of exposure to pollution from wood burning," Shlipak said.

From Science Daily