Skip to Content


Pronunciation: lif'span


  1. The duration of life of an individual.
  2. The normal or average duration of life of members of a given species.

See Also: longevity

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.