from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A lifetime.
  • noun The average or maximum length of time an organism, material, or object can be expected to survive or last.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The length of time for which an organism lives.
  • noun by extension The length of time for which something exists or is current or valid.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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


Sorry, no etymologies found.



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