Definitions for Longevitylɒnˈdʒɛv ɪ ti, lɔn-
This page provides all possible meanings and translations of the word Longevity
longevity, length of service(noun)
duration of service
"her longevity as a star"; "had unusual longevity in the company"
the property of being long-lived
The quality of being long-lasting, especially of life
Grandfather had incredible longevity uE00025641uE001 he lived to be 105 years old!
long duration of life; length of life
Origin: [L. longaevitas. See Longevous.]
The word "longevity" is sometimes used as a synonym for "life expectancy" in demography - however, the term "longevity" is sometimes meant to refer only to especially long lived members of a population, whereas "life expectancy" is always defined statistically as the average number of years remaining at a given age. For example, a population's life expectancy at birth is the same as the average age at death for all people born in the same year. Longevity is best thought of as a term for general audiences meaning 'typical length of life' and specific statistical definitions should be clarified when necessary. Reflections on longevity have usually gone beyond acknowledging the brevity of human life and have included thinking about methods to extend life. Longevity has been a topic not only for the scientific community but also for writers of travel, science fiction, and utopian novels. There are many difficulties in authenticating the longest human life span ever by modern verification standards, owing to inaccurate or incomplete birth statistics. Fiction, legend, and folklore have proposed or claimed life spans in the past or future vastly longer than those verified by modern standards, and longevity narratives and unverified longevity claims frequently speak of their existence in the present.
U.S. National Library of Medicine
The normal length of time of an organism's life.
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