lifespan
Translation
lifespan, life expectancy
Examples
The average human lifespan has increased.
The average human lifespan has increased.
This battery has a short lifespan.
This battery has a short lifespan.
Grammar Patterns
the lifespan of ((sth.)) the length of time (sth.) lives or functions The lifespan of a dog is about 10-13 years.
a ((short/long)) lifespan a short or long period of life Turtles have a long lifespan.
Similar Words
Synonyms: longevity, duration, life
Etymology
A compound word from 'life' and 'span' (the length of time for which something lasts).
Memory Tips
Imagine a bridge 'spanning' from birth to death. The length of that bridge is the 'lifespan'.