life span
Save This Word!
noun
the longest period over which the life of any organism or species may extend, according to the available biological knowledge concerning it.
the longevity of an individual.
QUIZ
SPRINT TO THE FINISH WITH THIS OLYMPICS QUIZ!
Compete in our Olympics quiz to see if you can take home the gold medal in Olympics knowledge.
Question 1 of 10
Where was the Olympics first held?
Meet Grammar CoachImprove Your Writing
Origin of life span
First recorded in 1915–20
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use life span in a sentence
British Dictionary definitions for life span
life span
noun
the period of time during which a human being, animal, machine, etc, may be expected to live or function under normal conditions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for life span
life span
n.
A lifetime.
The average or maximum length of time an organism, a material, or an object can be expected to survive or last.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.