From Longman Dictionary of Contemporary Englishlifespanlife‧span /ˈlaɪfspæn/ ●○○ noun [countable] LIFEthe average length of time that someone will live or that something will continue to work → lifetime Men have a shorter lifespan than women.a lifespan of 5 days/10 years etc A TV set has an average lifespan of 11 years.
Examples from the Corpus
lifespan• Not an acceptable lifespan in my opinion.• As with any living or replica plant material, there is an average lifespan for plants.• We must return to the fundamental question: is the extension of the human lifespan actually desirable?• In other words, governments, which formally at least set the political agenda, have relatively limited lifespans.• The natural lifespan of a pig is 10-12 years.• Now, he is hopeful that the child will have a normal lifespan.• Authorities estimate that smoking trims between 12 and 15 years off a person's lifespan.• Saltwater fish have a shorter lifespan in the aquarium.• Safety is a basic human requirement for survival, development, health and self-fulfilment at every stage of the lifespan.• In general their lifespan is shortened due to mouth rot.• Capital costs are expressed as annual equivalents assuming a seven year lifespan for the equipment and a 5% discount rate.From Longman Business Dictionarylifespanlife‧span /ˈlaɪfspæn/ noun [countable] the period of time during which something will continue to be usefulThe new water distribution system could save hundreds of millions of pounds over its 150-yearlifespan. 