Definition of "life expectancy" [life expectancy]

• The number of years that an individual is expected to live as determined by statistics. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Delta-One knew his quarry's protective clothing would lengthen the usual life expectancy in the water, but the relentless offshore currents would drag them out to sea."
• "The average life expectancy of a Martian after the age of maturity is about three hundred years, but would be nearer the one-thousand mark were it not for the various means leading to violent death."
• "L-glutamine life expectancy lignans lignin lima beans lipase lipoproteins liver:"