K5Print Free printable worksheets for K–5

lifespan

  • noun
  • /ˈlaɪf.spæn/

The length of time for which an organism lives.

Other meanings

  1. The length of time for which something exists or is current, valid, or usable.

Related words

  • for life
  • lifelong

Where this comes from

This definition is adapted from “lifespan” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.