expiration

(eks′pə rās̸hən)

noun

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

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

See expiration in American Heritage Dictionary 4

noun
  1. The act of coming to a close; termination: the expiration of a contract.
  2. The act of breathing out; exhalation.
  3. Archaic Death.

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