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单词 lifespan
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lifespan

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lifespan

(laɪfspæn) also life span
Word forms: plural lifespans
1. variable noun [oft with poss]
The lifespan of a person, animal, or plant is the period of time for which they live or are normally expected to live.
A 15-year lifespan is not uncommon for a dog.
They have extended the potential life span of humanity everywhere.
2. countable noun [oft with poss]
The lifespan of a product, organization, or idea is the period of time for which it is expected to work properly or to last.
Most boilers have a lifespan of 15 to 20 years. [+ of]

lifespan in British English

(ˈlaɪfspæn)
noun
1. 
the period of time during which a human being, animal, plant, etc, may be expected to live or function under normal conditions
A 15-year lifespan is not uncommon for a dog.
A fox's natural lifespan could be ten years.
They have extended the potential life span of humanity everywhere.
2. 
the period of time during which a machine, product, etc, may be expected to function under normal conditions
Most boilers have a lifespan of 15 to 20 years.
This job had a planned lifespan of five years.

Examples of 'lifespan' in a sentence
lifespan

She is older than he is but has a long lifespan.
The Sun (2016)
The patches he received have a limited lifespan, meaning more surgery will be required.
Times, Sunday Times (2016)
Some people facing a limited lifespan would have made different choices.
Times, Sunday Times (2007)
There is something morally repulsive about an accessory that costs so much for such a short lifespan.
Times, Sunday Times (2008)
Not in the lifespan of a normal human being.
Times, Sunday Times (2014)
The average lifespan of a website is about two months.
Times, Sunday Times (2013)
In the future many of these could expect to have a longer lifespan.
Times, Sunday Times (2008)
It is now a chronic manageable condition and people can expect a normal lifespan.
Times, Sunday Times (2012)
Trees remind us that the human lifespan is a fleeting thing.
Times, Sunday Times (2014)
Negative ions have a short lifespan and need to be manufactured constantly.
Martlew, Gillian & Silver, Shelley Stay Well This Winter (1989)
The aggressive squid has an average lifespan of just one year.
The Sun (2013)
But a watch has a considerably longer lifespan than other fashion products.
Times, Sunday Times (2013)
Science has so far shown that genetics accounts for variability in human lifespan by a third.
The Sun (2014)
It is hoped that as a result human lifespan will increase.
The Sun (2014)
Bands do have a natural lifespan and if the whole thing had come to an end nobody would have been surprised.
Times, Sunday Times (2014)
Most ideas have a natural lifespan.
Times, Sunday Times (2010)
The normal lifespan is five years.
Times, Sunday Times (2008)
It smacks of wishful thinking and the inability to accept one's limited lifespan.
Times, Sunday Times (2015)
And they aren't discouraged by the limited lifespan of the work.
Times, Sunday Times (2007)
When you compromise your spine, a shorter lifespan is something that goes with the territory.
Times, Sunday Times (2013)
She would then have enjoyed a normal lifespan, the inquest was told.
Times, Sunday Times (2007)
One study has shown that intermittent fasting will increase the lifespan of animals by about 30 per cent.
The Sun (2013)
A decade is probably the average lifespan of a small press.
The Times Literary Supplement (2014)
The company invests in long lifespan projects in energy, transport, healthcare and education.
Times, Sunday Times (2010)
The studies show that tiny mutations in the make-up of particular genes can sharply increase a person 's lifespan.
Times, Sunday Times (2010)
But while surface oil has a limited lifespan, the long-term effects on the sea and its ecology will take years to determine.
Times, Sunday Times (2010)

In other languages
lifespan

British English: lifespan NOUN
person, animal The lifespan of a person, animal, or plant is the period of time for which they live or are normally expected to live.
A 15-year lifespan is not uncommon for a dog.
  • American English: lifespan
  • Brazilian Portuguese: expectativa de vida
  • Chinese: 寿命人或动植物的
  • European Spanish: esperanza de vida
  • French: espérance de vie
  • German: Lebensdauer
  • Italian: durata di vita
  • Japanese: 寿命
  • Korean: 수명
  • European Portuguese: esperança de vida
  • Latin American Spanish: esperanza de vida
British English: lifespan NOUN
product The lifespan of a product, organization, or idea is the period of time for which it is expected to work properly or to last.
Most boilers have a lifespan of 15 to 20 years.
  • American English: lifespan
  • Brazilian Portuguese: vida útil
  • Chinese: 使用期限产品、组织或想法的
  • European Spanish: vida útil
  • French: durée de vie
  • German: Lebensdauer
  • Italian: durata di vita
  • Japanese: 寿命
  • Korean: >수명상품의
  • European Portuguese: vida útil
  • Latin American Spanish: vida útil
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更新时间：2025/1/24 19:21:33