life expectancy
Americannoun
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of life expectancy
First recorded in 1930–35
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Their findings suggest that higher levels of tyrosine in the blood are associated with a shorter life expectancy in men, raising new questions about the role this nutrient may play in aging.
From Science Daily • Jun. 15, 2026
Income inequality has far bigger consequences for most people – in terms of their life prospects and life expectancy – than whether they can squeeze into a stadium to watch a World Cup game.
From Salon • Jun. 14, 2026
Zooming out and looking at the president from the metric of life expectancy, comparing him to other older Americans, the ways their luck has gone, and the challenges they face, I’ve concluded something else.
From Slate • Jun. 14, 2026
Drive from Broughton, 13 miles away, to central Barrow, and the life expectancy for boys drops 12 years, to 72.
From The Wall Street Journal • Jun. 14, 2026
From these he produced the first calculations of life expectancy for different age groups, and so the first reliable figures which could provide a basis for pricing life insurance.
From "The Invention of Science" by David Wootton
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
