The lifespan of a species is the number of years that a particular species is expected to live.

  • The lifespan of a human is about 80 years.

  • The lifespan of a mosquito is about two weeks.

Definition of lifespans


the period during which something is functional (as between birth and death)


life, life-time, lifetime

Nearby Words

lifespans Pronunciation in a video

Example Sentences for lifespans

  • 1

    He knows the lifespan of sponges.

  • 2

    However the technique shortens the users lifespan.

  • 3

    Doing this would increase the lifespan of the membrane.

  • 4

    The competitive phase of the GameCube's lifespan is over.

  • 5

    The lifespan of the striped grass mouse is short.

  • 6

    We should list the lifespans of the characters.

  • 7

    I know it was towards the end of the lifespan of the console.

  • 8

    In theory, this allows the researcher to predict the lifespan of the paper.

  • 9

    The acidification plays two roles in the lifespan of the toxin.

  • 10

    The article says that the lifespan depends on the mass of the star.