LIFESPAN
Meaning of LIFESPAN in English
/ ˈlaɪfspæn; NAmE / noun
the length of time that sth is likely to live, continue or function :
Worms have a lifespan of a few months.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005