lon ‧ gev ‧ i ‧ ty /lɒnˈdʒevəti, lɒnˈdʒevɪti $ lɑːn-, lɒːn-/ BrE AmE noun [uncountable]
[ Date: 1600-1700 ; Language: Late Latin ; Origin: longaevitas , from Latin longaevus 'long-lived' , from longus 'long' + aevum 'age' ]
1 . the amount of time that someone or something lives
longevity of
the greater longevity of women compared with men
The worms have a longevity of about two years.
2 . long life or the long time that something lasts:
The ancient Chinese claimed that garlic promoted longevity.
3 . the amount of time that something lasts
longevity of
the longevity of an athlete’s career