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lifespan

n.

also life span, 1918, from life (n.) + span (n.1).

Online Etymology Dictionary, © 2010 Douglas Harper
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Examples from the web for lifespan
  • Persistency and attraction the lifespan of neutrophil granulocytes is quite short.
  • They continuously grow throughout their lifespan, growing stronger with age.
  • But the magazines of that day usually enjoyed only an ephemeral lifespan.
  • The normal lifespan of rats ranges from two to five years, and is typically three years.

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