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expiration definition

ex·pi·ra·tion (eks′pə rā′s̸hən)

noun

  1. a breathing out, as of air from the lungs
    1. something breathed out
    2. a sound, etc. made by breathing out
  3. a breathing one's last; dying
  4. a coming to an end; close
  5. a formal termination on a closing date, as of a contract or subscription

Etymology: ME expiracioun < L expiratio, exspiratio < pp. of exspirare, expire

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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